Metals and Nonmetals Quiz | Metals and Nonmetals Short Questions and Answers

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Questions
41 Moist air is the combination of-
A H2O+CO2+O2
B H2O+ CO+O2
C H2O+CO2+H2
D H2O+O2+H2

Answer: H2O+CO2+O2
42 Heat conduction is the property of
A Non-metal
B Metal
C Metalloids
D All of these

Answer: Metal
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43 Which of the following can't be beaten into sheets?
A Zinc
B Iron
C Aluminium
D Sulphur

Answer: Sulphur
44 Hydrogen gas produce when metal react with-
A Acid
B Base
C Salt
D Both acid & base

Answer: Base
45 Which one of the following is in crackers?
A metals
B Semi metals
C Non-metal
D All of these

Answer: Non-metal
46 Which one of the following enhances the growth of plants?
A Industrial gadgets
B Fertilisers
C Automobiles
D Water boilers

Answer: Fertilisers
47 Which one of the following is used for decorating sweets?
A Aluminium foil
B Copper foil
C Silver foil
D All of these

Answer: Silver foil
48 Aluminium foil used for wrapping-
A Food
B Clothes
C Plastic
D Wires

Answer: Food
49 Metallic oxides are-
A Acidic is nature
B Neutral
C Basic in nature
D Either acidic or basic

Answer: Both (a) and (b)
50 Zinc replaces copper from-
A Zinc sulphate
B Copper sulphate
C sulphuric acid
D Copper oxide

Answer: Copper sulphate
51 Which of the following can undergo a chemical reaction?
A MgSO4 + Fe
B Zn SO4 + Fe
C MgSO4 + Pb
D Cu SO4 + Fe

Answer: Cu SO4 + Fe
52 Which of the following non-metals is a liquid?
A Carbon
B Bromine
C Phosphorus
D Sulphur

Answer: Bromine
53 Electrical wires have a coating of an insulating material. The material, generally used is
A Sulphur
B Graphite
C PVC
D All can be used

Answer: PVC
54 Generally non-metals are non-conductors of electricity. Which of the following is a good conductor of electricity?
A Diamond
B Graphite
C Sulphur
D Fullerene

Answer: Graphite
55 Although metals form basic oxides, which of the following metals form an amphoteric oxide?
A Na
B Ca
C Al
D Cu

Answer: Al
56 The electronic configurations of three elements X, Y and Z are X — 2, 8: Y — 2, 8, 7 and Z — 2, 8, 2. Which of the following is correct?
A X is a metal
B Y is a metal
C Z is a non-metal
D Y is a non-metal and Z is a metal

Answer: Y is a non-metal and Z is a metal
57 Reaction between X and Y forms compound Z. X loses electron and y gains electron. Which of the following properties is not shown by Z?
A Has high melting point
B Has low melting point
C Conducts electricity in molten state
D Occurs as solid

Answer: Has low melting point
58 Which among the following alloys contain mercury as one of its constituents?
A Stainless steel
B Alnico
C Solder
D Zinc amalgam

Answer: Zinc amalgam
59 Which among the following statements is incorrect for magnesium metal?
A It burns in oxygen with a dazzling white flame.
B It reacts with cold water to form magnesium oxide and evolves hydrogen gas.
C It reacts with hot water to form magnesium hydroxide and evolves hydrogen gas.
D It reacts with steam to form magnesium hydroxide and evolves hydrogen gas.

Answer: It reacts with cold water to form magnesium oxide and evolves hydrogen gas.
60 Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?
A Brass
B Bronze
C Amalgam
D Steel

Answer: Steel

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