Reaction of HCl with Metals

Q.

Metal compound A reacts with dilute Hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is Calcium chloride.

Q.

What happens when aluminum reacts with hydrochloric acid?

Q.

Sodium metal reacts with Hydrochloric acid to produce salt and Hydrogen gas. What are the reactants in this chemical reaction?

Q. Question 42
What happens when zinc granules are treated with dilute solution of ${\text{H}}_2{\text{SO}}_4,\text{HCl},{\text{HNO}}_3$, $\text{NaCl}$ and $\text{NaOH}$?
Also write the chemical equations if reaction occurs.

Q. What are the products obtained when calcium reacts with HCl?

1. Calcium chloride and hydrogen gas
2. Calcium hydroxide and Chlorine ions
3. Calcium hydroxide and hydrogen gas
4. Calcium chloride and water

Q.

What are the products formed when dilute hydrochloric acid reacts with reactive metals?

1. Metal chlorides and hydrogen gas

2. Metal chlorides and water

3. Metal chlorides and oxygen gas

4. Metal chlorides and nitrogen gas

Q.

Name:

The salt formed by the reaction between copper (II) oxide and nitric acid.

Q.

Choose the correct chemical equation for the reaction of magnesium metal with hydrochloric acid.

1. $Mg\left(s\right)+2HCl\left(aq\right)\to MgC{l}_2\left(aq\right)+H_2\left(g\right)$

2. $Mg\left(s\right)+2HCl\left(aq\right)\to MgCl\left(aq\right)+H_2\left(g\right)$

3. $Mg\left(s\right)+2HCl\left(aq\right)\to 2MgCl\left(aq\right)+H_2\left(g\right)$

4. $Mg\left(s\right)+HCl\left(aq\right)\to MgC{l}_2\left(aq\right)+H\left(g\right)$

Q. Question 5(c)
Write word equations and then balanced equations for the reaction taking place when –
(c) Dilute sulphuric acid reacts with aluminium powder.

Q.

What is the resulting gas that is formed when zinc reacts with diluted hydrochloric acid?

1. Sulphur dioxide
2. Hydrogen
3. Ammonia
4. Chlorine

Q. When metal X reacts with dilute $\text{HCl}$, bubbles of gas Y are formed. Moreover, when this metal X reacts with cold water, it will again produce gas Y. Identify X and Y.

Q.

_____ acid is a strong oxidizing agent and so it is not used in the preparation of hydrogen.

Q. gas is produced when iron reacts with sulphuric acid.

1. Hydrogen
2. Oxygen
3. Nitrogen

Q.

$Acid+Activemetal\to salt+hydrogen$

1. True

2. False

Q.

Which gas is usually liberated when an acid reacts with a metal?

Q.

Hydrogen chloride(HCl) reacts with metals to form:

1. Metal chlorides and hydrogen

2. Metal chlorides and water

3. Metal chlorides and oxygen

4. Metal chlorides and nitrogen

Q. gas is produced when iron reacts with sulphuric acid.

1. Hydrogen
2. Oxygen
3. Nitrogen

Q. What are the products obtained when calcium reacts with HCl?

1. Calcium chloride and hydrogen gas
2. Calcium hydroxide and Chlorine ions
3. Calcium hydroxide and hydrogen gas
4. Calcium chloride and water