PDF chapter test TRY NOW

1. A solid compound ‘\(A\)’ decomposes on heating into ‘\(B\)’ and a gas ‘\(C\)’. On passing the gas ‘\(C\)’ through water, it becomes acidic. Identify \(A\), \(B\) and \(C\).
 
A – , a solid compound.
 
'A' decomposes on heating to give \(B\) and \(C\).
 
\(A+Heat→B+C\)
 
B –
 
C –
 
On passing the gas through water, it becomes . That compound is is carbonic acid and it is .
 
2. Can a nickel spatula be used to stir copper sulphate solution? Justify your answer.
 
 to stir the copper sulphate solution. Based on the activity series, nickel is  than copper so that  and copper will be deposited on nickel spatula.