Metals and Nonmetals Objective Type Questions and Answers

(21) Which substance is present in fuel?

[A] Copper

[B] Iron

[C] Gold

[D] Carbon

Answer: Carbon

(22) Which one of the following can't be drawn into wires?

[A] Fe

[B] Al

[C] Cu

[D] Coal

Answer: Coal

(23) Which one of the following metal is used thermometers?

[A] Copper

[B] Mercury

[C] Aluminium

[D] Iron

Answer: Mercury

(24) Gold is used in-

[A] Thermometers

[B] Fuel

[C] Jewellery

[D] Machinery

Answer: Jewellery

(25) Which material is hard in nature?

[A] Iron

[B] Coal

[C] Oxygen

[D] Wood

Answer: Iron

(26) Which material show shiny appearance?

[A] Coal

[B] Sulphur

[C] Aluminium

[D] Carbon

Answer: Aluminium

(27) Which one of the following is the good conducter of electricity?

[A] Iron rod

[B] Sulphur

[C] Coal piece

[D] Wood

Answer: Iron rod

(28) Which one of the following are very reactive non metals

[A] Sodium

[B] Potassium

[C] Carbon

[D] Phosphorous

Answer: Phosphorous

(29) Copper sulphate (CuSO4) possesses

[A] Red colour

[B] Blue colour

[C] Green colour

[D] Yellow colour

Answer: Blue colour

(30) Which metal is found in plants?

[A] Fe

[B] Cr

[C] Mg

[D] CO

Answer: Mg

31 Which one of the following is applied on wounds as an antiseptic?

[A] Metals

[B] Non metals

[C] Metalloids

[D] All of these

Answer: Non metals

32 Non metals used in-

[A] Aeroplanes

[B] making machinery

[C] Water boilers

[D] Fertilisers

Answer: Fertilisers

33 Which non metal is essential for our life and inhale during breathing?

[A] H

[B] O

[C] C

[D] N

Answer: O

34 Which gas produced by piece of burning charcoal?

[A] CO2

[B] CO

[C] H2S

[D] O2

Answer: CO

35 On burning metals react with oxygen to produce-

[A] Metal hydroxide

[B] Metal chloride

[C] Metal oxide

[D] Metal sulphate

Answer: Metal oxide

36 What happens when dilute sulphuric acid is poured on a copper plate?

[A] Copper sulphate formed

[B] Zinc sulphate formed

[C] Copper chloride formed

[D] Zinc sulphate formed.

Answer: Copper sulphate formed

37 Which of the following statements are correct?

[A] All metals are ductile

[B] All non metals are ductile

[C] Generally metals are ductile

[D] some metals are ductile

Answer: Generally metals are ductile

38 Which of the following can be beaten in to thin sheets?

[A] Zinc

[B] Phosphorus

[C] Sulphur

[D] Oxygen

Answer: Zinc

39 Which one of the following gas burns with the "pop" sound?

[A] Oxygen

[B] Hydrogen

[C] Chlorine

[D] Hydrogen sulphide

Answer: Hydrogen

40 Which one of the following does not react with acids?

[A] Cu

[B] Ni

[C] Cr

[D] O

Answer: O

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