Reaction of Acids with Metal Carbonates and Bicarbonates

Q.

Complete the following reaction: $N{a}_{2}C{O}_3\left(s\right)+dil.HCl\left(aq\right)\to$ ___?

1. $N{a}_{2}S{O}_4+H_{2}O$
   
2. $N{a}_{2}S{O}_4+C{O}_2$
   
3. $N{a}_{2}S{O}_4+H_{2}O+C{O}_2$
4. $N{a}_{2}C{O}_3+H_{2}O+C{O}_2$
   

Q.

${ZnCO}_3$ + HCl $\to$ ${ZnCl}_2$ + Y + X;

What is X and Y respectively?

1. H₂O and CO

2. H₂O and CO₂

3. H₂ and CO₂

4. H₃O and CO

Q. Bleaching action of bleaching powder is due to:

1. $Cl$
2. $O$
3. $C{l}_2$
4. $Ca$

Q.

Which of the following has been causing most damage to the Taj Mahal?

1. 
   

   Dust

2. 
   

   Acid Rain

3. 
   

   Smoke

4. 
   

   Global Warming

Q. Which of the following is a type of double decomposition reaction?

1. Neutralization Reaction
2. Precipitation Reaction
3. Electrolytic decomposition
4. All of the above

Q. Which of the following acid does not react with metals?

1. Phosphoric acid
2. Sulphuric acid
3. Nitric acid
4. Carbonic acid

Q. Polar covalent bond is when the electrons shared by the atoms spend a greater amount of time, on an average, closer to one nucleus than the other nucleus of the pair.

1. True
2. False