1.  Gold is used in

a

  Fuel

b

 Jewellery

c

 Machinery

d

 Thermometers

Answer & Explanation
Answer : Option B

2.  Symbol of Mercury is

a

  Me

b

 Mg

c

 Mr

d

 Hg

Answer & Explanation
Answer : Option A

3.  Symbol of Copper is

a

  Ca

b

 Cl

c

 Co

d

 Cu

Answer & Explanation
Answer : Option D

4.  The property of metal by which it can be drawn into wires is called

a

  Ductility

b

 Decorating

c

 Malleability

d

 Conductivity

Answer & Explanation
Answer : Option A

5.  Naturally occurring elements are

a

  91

b

 92

c

 93

d

 94

Answer & Explanation
Answer : Option B

6.  What is the product when sulphur reacts with oxygen?

a

  Sulphuric acid

b

 Sulphur trioxide

c

 Sulphur dioxide

d

 Sulphurous acid

Answer & Explanation
Answer : Option C

7.  Elements that are brittle and cannot be rolled into wires are known as

a

  metal

b

 liquid

c

 non-metal

d

 non-elastic

Answer & Explanation
Answer : Option C

8.  Hydrogen gas produce when metal react with

a

  Salt

b

 Acid

c

 Base

d

 Both acid & base

Answer & Explanation
Answer : Option C

9.  How many nonmetals are in solid state?

a

  10

b

 11

c

 12

d

 13

Answer & Explanation
Answer : Option B

10.  Iron, cobalt and nickel are metals which are

a

  insulator

b

 magnetic

c

 non-magnetic

d

 none of these

Answer & Explanation
Answer : Option B

11.  The property of metals by which they can be beaten in to thin sheets is called

a

  Ductility

b

 Expansion

c

 Conduction

d

 Malleability

Answer & Explanation
Answer : Option D

12.  Which metal is found in liquid state of room temperature?

a

  Al

b

 Fe

c

 Zn

d

 Hg

Answer & Explanation
Answer : Option D

13.  Non metals used in-

a

  Fertilisers

b

 Aeroplanes

c

 Water boilers

d

 Making machinery

Answer & Explanation
Answer : Option A

14.  Other than O and C, main elements of a brick wall includes

a

  Silicon (Si)

b

 Calcium (Ca)

c

 Both (a) and (b)

d

 Aluminum (Al)

Answer & Explanation
Answer : Option C

15.  Which one of the following is non metal?

a

  N

b

 Fe

c

 Br

d

 Na

Answer & Explanation
Answer : Option A

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