Materials : Metals And Non-metals Questions

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Materials : Metals And Non-metals Questions

List of materials : metals and non-metals Questions

Question NoQuestionsClass
1Nonmetals react with hydrogen to form:
A. covalent compounds
B. ionic compounds
C. electrovalent compounds
D. coordinate compounds
2State whether true or false:
Coins can be made up of pure metals.
A. True
B. False
3A divalent metal with atomic number
12 reacts with an acid liberating a gas
( X . X ) on treatment with a non metal ( Y )
( operatorname{gives} Z, ) which on dissolution in water
produces the same acid. Identify ( boldsymbol{X}, boldsymbol{Y} )
and ( Z )
A ( cdot C l_{2}, H_{2}, H C l )
в. ( H_{2}, H C l, C l_{2} )
c. ( H C l, H_{2}, C l_{2} )
D. ( H_{2}, C l_{2}, H C l )
4Which of the following is the most reactive non-metal?
A. Chlorine
B. Hydrogen
c. Fluorine
D. Selenium
5In which of the following, use of non metals is more as compared to
A. human body
B. fertilisers
c. crackers
D. all of the above
6When a base combine with metal it
forms metal salt/base and releases:
A. oxygen
B. hydrogen
c. carbon dioxide
D. nitrogen
7Which was the first metal used?
A. Iron
B. copper
c. zinc
D. Gold
8Name two non- metals whose oxides are
acidic in nature
9Eventhough a cinema hall is a place prone to fire hazards, the interiors are mostly made of wood or wood based panels.Why is this so?
A. wood does not catch fire easily
B. Wood is opaque
c. wood can absorb sound
D. Wood is very commonly available
10Which of the following non-metal is used for the manufacture of fertilizers?
A. Chlorine
B. Sulphur
c. Phosphorus
D. None of the above
11Composition of gunpowder is :
A. ( S+ ) Charcoal ( +K N O_{3} )
B. ( S+ ) Coke ( +K N O_{3} )
c. ( S+ ) Coal ( +K N O_{3} )
D. all of the above
12Copper metal is used in making:
A. electric wires
B. fuse wires
c. filling cavity in teeth
D. preparation of hydrogen
13metal is a part of hemoglobin
a biomolecule.
A. Aluminium
B. copper
c. Iron
D. Calcium
14Which of the following non-metal can be used as plant fertilizer and for plant fixation?
A. Nitrogen
B. Carbon
c. sulphur
D. lodine
Which of the following are metalloids.
(a) Selenium
(b) Silicon
(c) Arsenic
(d) Antimony
c 11
16The red or orange coating that forms on the surface of iron when exposed to air
and moisture for some time is called:
A. galvanisation
B. electroplating
c. rust
D. reduction
17Which of the following metal is a micronutrient for plants?
A. Molybdenum
B. Copper
c. zinc
D. All of above
18Which of the following mixtures is used in the preparation of tips of match
( mathbf{A} cdot S+K )
B. ( S b_{2} S_{3}+S )
c. ( K_{2} C r_{2} O_{7}+S+P )
D. ( P+K )
19Which of these non-metals would be
most reactive?
A. ( P )
в. ( S )
c. ( C l )
D. ( H e )
E . ( N e )
20is called a space age
metal and used in militaryjets and spacecrafts.
A. zinc
B. Platinum
c. copper
D. Titanium
21The most active nonmetal has:
A. a high electronegativity
B. a low electronegativity
C. a medium electronegativity
D. large atomic radii
E . a deliquescent property
22Which of the following is a use of metal gold?
A. Health supplement
B. Protection from the sun
c. Making jewellery
D. All of above
23Which of the following non-metal is commonly used as pesticides and photography?
A. Bromine
B. Helium
c. Selenium
D. lodine
24Which element is an important component of transistors?
A. sodium
B. copper
c. germanium
D. radium
Copper is used to make hot water tanks
and not steel (an alloy of iron)
Copper does not react with cold water, hot water or steam. However, iron reacts
with steam. If the hot water tanks are
made of steel (an alloy of iron), then iron would react vigorously with the steam formed from hot water.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
26To design the body of an aircraft,
aluminium alloys are used. Give
27Aluminum is used to make electrical
A . True
B. False
28Sulfur is used in vulcanisation of
A . True
B. False
29Reactive metals react with dilute ( H C l )
to liberate:
A. water
B. hydrogen
c. carbon dioxide
D. oxygen
30What is the nature of the following
( boldsymbol{C u}+boldsymbol{H} boldsymbol{C l} rightarrow )
A. Reacts vigorously
B. No reaction
c. Reacts modestly
D. Reacts slowly
31Some non-metals are used in water
A. True
B. False
32Mercury is used as a thermometric liquid.
A. True
B. False
33Which of the following metal is found in
our body?
A. Iron
B. Calcium
c. Potassium
D. All of the above
34The glass bulb of electric bulbs becomes black due to the deposition of vapour from the:
A. glass of the bulb
B. metal filament
c. gas in the bulb
D. joint in the glass
35The metal used for making radiation
shield is:
A . ( A l )
в. ( F e )
( c cdot Z n )
D. ( P b )
36The tip of the lead pencil is made of:
A. lead
B. graphite
c. zinc
D. charcoal
37Tungsten filament is:
A. non-polar covalent substance
B. polar covalent substance
C. ionic substance
D. metallic substance
E. noble gas
38Which of the following is not used as cooking utensils even being a metal?
A. copper
B. Leadd
c. silver
D. Iron
39Which liquid metal is used for making thermometers?
A. Mercury
B. Bromine
c. lodine
D. Cadmium
40Why is phosphorus stored in water?
A. It is very reactive
B. It does not react with water
C. It reacts with air and catches fire
D. All of the above
41Liquid metals used for making
thermometer is:
A. zirconium
B. mercury
c. lead
D. none of the above
42Which of the following compounds has
phosphorus atom in +1 oxidation
A ( . H_{3} P O_{3} )
в. ( H_{3} P O_{4} )
c. ( H_{3} P O_{2} )
D. ( H_{4} P_{2} O_{7} )
43Guess who I am?
i) I am a cheap metal but highly reactive. Therefore, I sacrifice myself to save the objects made of iron.
ii) I am a solid solution. Dentists use me to fill cavities.
iii) 1 am a constituent of blood pigment. When I am less in quantity, the person is anaemic.
iv) I am formed when matrix and flux
44Assertion: Germanium, arsenic and antimony are classified
as metalloids.
Reason: They possess some properties of metals and some
properties of metalloids.
45Metals adsorb hydrogen. Explain.8
46Pratyush took sulphur powder on a
spatula and heated it. He collected the
gas evolved by inverting a test tube over it, as shown in the figure above.
(a) What will be the action of gas on
(i) dry litmus paper?
(ii) moist litmus paper?
(b) Write a balanced chemical equation
for the reaction taking place.
47Quick silver is now known as:
A. lead
B. mercury
( c . ) tin
D. brass
48Is used as a purple coloured antiseptic solution.
A. Bromine
B. Chlorine
c. lodine
D. Sulphur
49Iqbal treated a lustrous, divalent element M with sodium hydroxide. He observed the formation of bubbles in
reaction mixture. He made the same
observations when this element
was treated with hydrochloric acid. He find that the produced gas is:
A ( . H_{2} )
в. ( C l_{2} )
( c cdot O_{2} )
D. None of the above
50Nonmetals contain number
of electrons in their outmost shell
A .1,2 or 3
B. 8,9 or 10
c. 10,20 or 30
D. 5,6 or.7
51Which of the following metals were used as money in ancient times?
A. Gold
B. Copper
c. Iron
D. All of the above
52Which of these metals would be most
( mathbf{A} cdot K )
в. ( C a )
c. ( T i )
D. ( M n )
ह. ( C u )
53Find the incorrect match.
A. Fine duct of aluminium – Paints and Lacquers
B. Reducing agent in the manufacture of dye-stuffs, paints, etc. – copper dust
C. For cutting tools and crushing machines – Chrome steel
D. For making cables, automobiles and aeroplane parts Nickel steel
54Non-metal which is used to
sterilize water is :
A. iodine
B. bromine
c. chlorine
D. sulphur
55Sulphur is used in:
A. welding
B. electroplating
C . vulcanising rubber
D. the manufacture of paints
56Carbon in the form of ( ldots ldots . . . . . . . . . . . ) can be
used in preparation of pencil.
A. graphite
B. dry ice
( c . ) both a and ( b )
D. none of the above
57The metal generally mixed with gold while making ornaments is:
A . zinc
B. iron
c. silver
D. copper
58Metal which is silvery light, malleable and ductile and the boiling point is
around ( 2050^{circ} C ) is:
A . zinc
B. iron
c. aluminium
D. tin
59A fire work gave bright crimson light. It probably contained a salt of
A . ( mathrm{ca} )
B. sr
c. Ва
D. Mg
60Calculate ( left[boldsymbol{S}^{-2}right] ) in a solution originally
having ( 0.1 mathrm{M} H C l ) and ( 0.2 M H_{2} S . ) For
( boldsymbol{H}_{2} boldsymbol{S} boldsymbol{K} boldsymbol{a}_{1}=mathbf{1} . boldsymbol{4} times mathbf{1 0}^{-mathbf{7}} ) and ( boldsymbol{K} boldsymbol{a}_{2}= )
( 1.0 times 10^{-14} )
A ( .2 .8 times 10^{-22} M )
В. ( 3 times 10^{-15} mathrm{M} )
( mathbf{c} .2 .8 times 10^{-21} M )
D. ( 4 times 10^{-10} M )
61Tincture of iodine has antiseptic
properties. This solution is made by dissolving:
A. iodine in potassium iodide
B. iodine in vaseline
c. iodine in water
D. iodine in alcohol
62Most balloons, tyres and footballs are made-of rubber. This is because rubber
A. naturally available
B. cheap
c. an electrical insulator
D. soft and flexible
63Ruchi was given four unknown metals
( P, Q, R ) and ( S, ) the performed the
following experiments to check the reactivity of the unknown metals. If reaction occurred in only beaker 3
then which of the following metals is least reactive?
( A cdot P )
B. ( Q )
( c cdot R )
( D )
64A metal carbonate ( X ) on reacting with an acid gives a gas which when passed through a solution Y gives the carbonate back. On the other hand, a
gas G that is obtained at anode during electrolysis of brine is passed on dry ( Y, ) it gives a compound Z,used for disinfecting drinking water. Identity ( mathbf{X} )
( Y, G ) and ( Z . ) Also,write the chemical
reactions involved.
65Saloni took a piece of burning charcoal
and collected the gas evolved in a test
(a) How will she find the nature of the
(b) Write down word equation of all the reactions taking place in this process.
66Silver is used in making mirrors.
A. True
B. False
67Which of the following metals on reacting with sodium hydroxide solution produce hydrogen gas?
a. ( boldsymbol{C u} )
b. ( boldsymbol{A l} )
c. ( boldsymbol{F} boldsymbol{e} )
d. ( Z n )
A. b and c
B. b and d
( c . ) a and ( d )
D. bonly
68Determine which of the following match
is correct:
( begin{array}{lllll} & text { List I } & & text { List II } & \ & & & & \ 1 & text { Phosphorus } & mathrm{a} & text { fuel } & \ 2 & text { Nitrogen } & mathrm{b} & text { lights } & \ 3 & text { Carbon } & mathrm{c} & text { crackers } \ 4 & text { Oxygen } & mathrm{d} & text { plant fertilizers } \ 5 & text { Neon } & mathrm{e} & text { respiration }end{array} )
( A )
1-e, 2-a, 3-d, 4-c, 5-b
, 4-e, 5-b
B. ( 1-c, 2-d, 3-a, )
( c cdot 1-b, 2-d, 3-e )
4-a, 5-c
D. ( 1-c, 2-d, 3-b, 4-e, 5-c )
Which of the following metals are solid ?
(a) Sodium
(b) Potassium
(c) Mercury
(d) Manganese
70Solutions of copper sulphate, iron
sulphate and zinc sulphate are prepared and marked I, II and III respectively. Few pieces of aluminium are added to each solution. After some
time a change will be observed in:
A. I and II
B. Il and III
c. III and
D. all the three
71Four students ( A, B, C, ) and ( D ) noted the
initial colour of the solution in beakers
I, II, Ill and IV. After inserting zinc rods in
each solution and leaving it
undisturbed for two hours, noted the
colour of each solution again. The recorded observations in the form of
the table given below:
Which student noted the colour change
in all the four beakers correctly.
( A cdot(A) )
B. (B)
( c cdot(c) )
( D, quad O )
72Iron filings and sulphur were mixed together and divided into two parts, ( A )
B. Part A was heated strongly while Part B was not heated. Dilute
hydrochloric acid was added to both the
Parts and evolution of gas was seen in both the cases. How will you identify the gases evolved?
73Which one of the following nutrients is not available in fertilizers?
A. Nitrogen
B. Phosphorus
( c . ) Iron
D. Potassium
74Aluminium foils are used to wrap food items.
A . True
B. False
75Non-metals which are present in fertilizers and enhance the growth of
plants is:
A. nitrogen
B. phosphorus
c. potassium
D. both ( A ) and ( B )
76Which of the following is/are use(s) of aluminium?
A. It is used in paints
B. It is used for packaging
c. It is used to make electrical wires
D. All of the above
77Which of the following metal is used in atomic energy and space projects?
A . Titanium
B. Zirconium
c. sodium
D. All of above
78Magnesium is used in fireworks.
A. True
B. False
79Non-metals generally form:
A. cations
B. anions
c. anions and cations
D. do not form ions
80State whether the statement is true or

Statement: Generally non-metals react
with acids.
A. True
B. False

81Which two metals react with
concentrated alkalis?
A. ( A l, M g )
в. ( A l, Z n )
c. ( N a, K )
D. ( K, A l )

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