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