Question

6. The non-metal which is liquid at room temperature is -
a. Chlorine
b. Bromine
c. Iodine
d. Carbon

7. Which metal can not be stored in packets?
a. Sodium
b. Calcium
C. Magnesium
d. Zinc

8. Which metal is not corroded by air, water and acid ?
a. Copper
b. Zinc
c. Aluminium
d. Gold

9. The metal
develops a protective layer over its surface by reaction with air.
a. Iron
b. Zinc
c. Silver
d. Aluminium

10. The stainless steel is an alloy of
a. Aluminium
b. Iron
c. Magnesium
d. Copper
​

Answer 1

Answer:

The non-metal which is liquid at room temperature is -

a. Chlorine

b. Bromine

c. Iodine

d. Carbon

The correct answer is Bromine

7. Which metal can not be stored in packets?

a. Sodium

b. Calcium

C. Magnesium

d. Zinc

The correct answer is Sodium.

8. Which metal is not corroded by air, water and acid ?

a. Copper

b. Zinc

c. Aluminium

d. Gold

The correct answer is Copper

9. The metal

develops a protective layer over its surface by reaction with air.

a. Iron

b. Zinc

c. Silver

d. Aluminium

The correct answer is Zinc

10. The stainless steel is an alloy of

a. Aluminium

b. Iron

c. Magnesium

d. Copper

The correct answer is iron.

hope it helps u.

Thank u.