Question

Pls solve this paper attached ​

Answer 1

Explanation:

here is ur ans hope it helps

Answer 2

Answer:

Que1)

caco3 :-Calcium carbonate is strongly heated until it undergoes thermal decomposition to form calcium oxide and carbon dioxide.

pb(no3):-Lead nitrate on heating decomposes to lead monoxide, nitrogen dioxide and oxygen.

Feso4:-On heating, ferrous sulphate crystals lose water and anhydrous ferrous sulphate (FeSO4) is formed. So their colour changes from light green to white.

Que2)

Displcement reaction

• In a displacement reaction, a more reactive element replaces a less reactive element from a compound.

Double displacement reaction

• In a double displacement reaction, two atoms or a group of atoms switch places to form new compounds.

Que3)

1. Reducing reagent.
2. Oxidizing reagent.