Manufacture of Acids and Bases

Q. Choose the correct option:

1. Non-metallic oxides are basic in nature
2. Metallic oxides are acidic in nature
3. Non-metallic oxides are acidic in nature
4. None of the above

Q. For dilution of concentrated acid, we should add:

1. water into concentrated acid.
2. concentrated acid into water.
3. first water into acid and then more acid.
4. first water into acid and then more water.

Q.

Identify X in the following reaction
X + Water $\to$ Base.

1. Metal oxide

2. Non metal oxide

3. Salt

4. Metal carbonate

Q. What is the cause of acid rain?

1. Metal oxides present in the atmosphere.
2. Non-Metal oxides in the atmosphere.
3. Acids present in the clouds.
4. Pollutants present in soil and water.

Q.

Which of the following reaction produces a base?

1. Reaction between a metal oxide and water

2. Reaction between an acid and a base

3. Heating of metal carbonates

4. Reaction between metal and oxygen

Q. Statement 1: Metal oxides are also called basic oxides.
Statement 2: Metal oxides neutralize the effect of acids and release water, similar to the reaction of a base with an acid.

1. Statement 1 and statement 2 are correct, but statement 2 is not the correct explanation for statement 1
2. Statement 1 is correct, but statement 2 is incorrect
3. Statement 1 is incorrect, but statement 2 is correct
4. Both statements are correct and statement 2 is the correct explanation for statement 1

Q. Identify X in the following reaction.
X+ Acid $\to$ Salt + Water

1. Metal oxide
2. Metal carbonates
3. Metals
4. Metal hydrogen carbonates

Q. Which of the following is not an example of acid neutralizing reaction?

1. $MgOH+2HCl$ $\to$ $MgC{l}_2+H_{2}O$
2. $HCl+NaOH$$\to$ $NaCl+H_{2}O$
3. $CaC{O}_3+2HCl\to CaC{l}_2+2H_{2}O+C{O}_2$
4. $2HN{O}_3+Ca(OH{)}_2\to Ca(N{O}_3{)}_2+2H_{2}O$

Q. Identify X in the following reaction
X+ Acid - Salt + Water.

1. Metal Oxide
2. Metal hydroxide
3. Both a and b
4. None of these

Q.

Identify X in the following reaction
X + Water $\to$ Base.

1. None of these
2. Metal oxide
3. Non metal oxide
4. Salt