Which among the following metal is used for galvanization?

Identify the correct set. Set Physical Changes Chemical Changes A Ozone formation from Oxygen, Condensation Rusting, Burning of candle B Evaporation, Alloy formation Rusting, Curd formation C Condensation, Evaporation Combustion, Galvanization D Galvanization, Alloy formation Crystallization, Condensation

A

B

C

D

Match the following (a) a non-metal that exists in two forms (i) Chlorine (b) a non-metal which is liquid at room temperature (ii) Zinc (c) a metal which is constituent of brass and bronze (iii) Carbon (d) a non-metal used for disinfecting water (iv) Bromine (e) a metal used in electroplating (v) Copper

A

(a) - (iii), (b) - (i), (c) - (ii), (d) - (iv), (e) - (v)

B

(a) - (iv), (b) - (iii), (c) - (v), (d) - (i), (e) - (ii)

C

(a) - (i), (b) - (iv, (c) - (ii), (d) - (iii), (e) - (v)

D

(a) - (iii), (b) - (iv), (c) - (v), (d) - (i), (e) - (ii)

Coating of which among the following metal is termed as Galvanization?

A

Copper

B

Zinc

C

Silver

D

Aluminum

Metal 'A' displaces metal 'B' from its salt solution, but not able to displace metal 'C' from its salt solution. Metal 'B' displaces metal 'D' from its salt solution. Which of the following depicts correct order of reactivity of metals.

A

A > B > C > D

B

B > C > A > D

C

C > A > B > D

D

C > A > D > B

Which of the following metal is used for galvanization?

A

Zinc

B

Copper

C

Iron

D

Silver

Which metal is used in the galvanization of iron?

A

Ni

B

Pb

C

Zn

D

Ga

During Galvanization, which metal is used for coating iron and steel objects, preventing them from rusting?

A

Zinc

B

Copper

C

Aluminium

D

Bronze

Consider the figures of a metal ball and a metal ring given below.
The metal ball can just pass through the hole of a metal ring formed out of a strip. When the ball is heated it gets stuck. But when the metal is heated
Heat and Thermodynamics mcq question image

Heat and Thermodynamics mcq question image

A

The ball can still pass through the ring as diameter expands on heating

B

The ball gets stuck because of the diameter of the hole decrease on expansion

C

The ball will still pass through because the hole diameter does not change

D

The ball will pass through because there is no change in the ring

Which of the following option is correct about the uses of Hydrochloric acid? It is used in making plastics like polyvinyl chloride (PVC). It is used for cleaning iron sheets before tin-plating or galvanization.

A

Option 1 is correct

B

Option 2 is correct

C

Both are correct

D

Both are incorrect

Consider the following statements about Metal Work of Punjab?
1. Amritsar is famous for metal work.
2. Decorative items like lamp shades and engraved metal doors are some of the items on which artisans work.
3. Metal work mostly done in village area.
Which of the statement(s) given above is/are correct?

A

Only 1

B

Only 2

C

1 and 2

D

2 and 3

Which among the following metal is used for galvanization?

Related Questions