Reaction of Metallic Oxides and Hydroxides with Acids

Q. Balance the following chemical equations
$NaOH+H_{2}S{O}_4\to N{a}_{2}S{O}_4+H_{2}O$

Q. When metal oxides or metal hydroxides react with acid, they form salt and X. What is X?

1. Hydrogen
2. Water
3. Carbon Dioxide
4. Oxygen

Q. Balance the following chemical equation.

Q. Metals react with water to form oxides or hydroxides and

1. Carbon dioxide
2. Oxygen
3. Hydrogen
4. Carbon monoxide

Q. Choose the correct option.

A) Non-metallic oxides are basic in nature.
B) Metallic oxides are acidic in nature.
C) Non-metallic oxides are acidic in nature.
D) Metallic oxides are neutral in nature.

[1 Mark]

Q. Identify the compound(s) which gives salt and water on reacting with acids.

1. Nonmetallic oxides
2. Metal oxide
3. Metal hydroxide
4. Nonmetallic hydroxide

Q. Analyse the reaction given below and identify the salt formed.

FeO (aq) + 2HCl (aq) → X + Y

1. $H_{2}O+F{e}_2{O}_3$
2. $FeS{O}_4+H_{2}O$
3. $FeC{l}_2+H_{2}O$
4. $FeO+FeC{l}_2+H_{2}O$

Q.

Statement 1: Metal oxides are basic in nature.

Statement 2: Metal oxides neutralize the effect of acids and release water, similar to the reaction of a base with an acid.

Q.

Acid reacts with metal oxide to form _______.

1. salt and hydrogen
2. base and water
3. metal and salt
4. salt and water

Q. Efflorescence is shown by:

1. bleaching powder
2. plaster of paris
3. baking soda
4. washing soda

Q.

Acid reacts with metal oxide to form _______.

1. base and water
2. salt and water
3. metal and salt
4. salt and hydrogen

Q. $Mn{O}_2$ reacts with $HCl$ to give water, chlorine and _________.

Q. Assertion :Cuprous oxide when added to glass to give ruby red colour. Reason: Normal domestic glass for windows is calcium alkali silicate.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is incorrect but Reason is correct
4. Both Assertion and Reason are incorrect