Question

can anyone solve the whole question paper plz jo puri solve karega vohi ans dega ​

Answer 1

1:- A (i)- a- Nm²/kg².

(ii)- c- 17.

B:- (i)- False.

(ii)- SI- kg and CGS- g.

2:- A (ii)- It is because when the iron grills and windows somes in contact of oxygen with moisture then they starts rusting.

B (ii)- Endothermic reactions absorb energy from the surrounding that is in the form of heat.

On the other hand, an exothermic reaction releases energy into the surrounding of the system.

3:- (ii)- A combination reaction is a reaction in which two or more elements or compunds combine to form one compound.

e.g- CaO + H2O - > Ca(OH)2.

DONE SIS..

HOPE IT HELPS.