Home
Class 10
CHEMISTRY
Pure iron is soft and stretches easily w...

Pure iron is soft and stretches easily when hot
(a) How does this property of iron change when:
(i) small amount of carbon is mixed with it?
(ii) nickel and chromium are mixed with it?
(b) Define an alloy. How is an alloy prepared?
(c) An alloy has low melting point and is therefore used for electrical fuse. Name the alloy and write its constituents.

Promotional Banner

Similar Questions

Explore conceptually related problems

How do the properties of iron change when small quantity of carbon is mixed with it.

Define an alloy. How are alloys prepared ? How do the properties of iron change when : (i) small quantity of carbon is mixed ? (ii) nickel and chromium are mixed with it ?

How do the properties of iron changes when nickel and chromium are mixed with it.

(a) What is an alloy ? How is it prepared ? Give two examples of alloys. (b) Iron is not used in pure state. Give reason.

(a). What is an alloy? How is an alloy made? (b) What elements are preent in steel? How are the properties of steel different from those of pure iron? (c) give the constituents ad one use of brass.

Alloys are prepared by mixing a metal with other metals or nonmetals in certain proportion. The properties of the main metal change when the metal is alloyed. i. How do the properties of iron change when carbon and chromium are mixed with it? ii. How do the properties of copper change when tin is mixed with it?

Alloys are prepared by mixing a metal with other metals or nonmetals in certain proportion. The properties of the main metal change when the metal is alloyed. i. How do the properties of iron change when carbon and chromium are mixed with it? ii. How do the properties of copper change when tin is mixed with it?

(i) State Joule's law off heating. (ii) An alloy of nickel and chromium is used as the heating element. Why? (iii) How does a fuse wire protect electrical appliances?