Neutralisation Reaction

Q. Question 14
What is a neutralization reaction? Give two examples.

Q.

Equal lengths of magnesium ribbons are taken in test tubes A and B. Hydrochloric acid (HCl) is added to test tube A, while acetic acid (CH₃COOH) is added to test tube B. Amount and concentration taken for both the acids are the same. In which test tube will the fizzing occur more vigorously and why?

Q.

Define neutralization reaction. Give three applications of neutralization reactions.

Q.

Why do farmers sprinkle slaked lime in the fields during the rainy season?

1. Get rid of the pest in the fields

2. Increase acidity of the soil

3. Neutralise the soil

4. Increase basicity of the soil

Q.

Which of the following metals evolves hydrogen on reacting with cold dilute $HN{O}_3$?

1. Al

2. Mg

3. Fe

4. Cu

Q.

Why is neutralization not a redox reaction?

Q.

Question 2:

Write any three properties of acids.

Q.

Which among the given salts is used as a fungicide?

1. Sylvine

2. Gypsum

3. Blue vitriol

4. Table salt

Q.

Hydrogen is a good _________ agent with nonmetals

1. Oxidising

2. Basic

3. Acidic

4. Reducing

Q. How to find charge of polyatomic ions? Ex. PO4, CO3, OH etc

Q.

Substance X present in vinegar reacts with substance Y present in the milk of magnesia. The product obtained from the reaction between X and Y is?

1. $CuS{O}_4$

2. $(C{H}_3-COO{)}_{2}Mg$

3. $NaHC{O}_3$

4. $NaCl$

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

1. Usage of conditioner after shampooing your hair
2. Toothpaste acting on teeth
3. Treatment of acidic soil by powdered lime
4. Lime juice acting on acid in stomach

Q.

Al + HCl $\to$ ? + ?

1. Aluminum chloride + hydrogen

2. Aluminum + Chlorine

3. Aluminum hydride + Chlorine

4. Aluminium chloride + water

Q. $CaO\left(s\right)+Si{O}_2\left(s\right)\to CaSi{O}_3\left(s\right)$

1. Displacement reaction
2. Decomposition reaction
3. Reduction reaction
4. Combination reaction

Q. Give reason for the following:​
Dilute sulphuric acid can not be replaced by concentrated acid in the preparation of hydrogen. ​

Q. Explain neutralisation with an example.

Q. In the process of neutralisation reaction:

1. salt along with hydrochloric acid is formed.
2. salt along with hydrogen gas is formed.
3. salt along with water is formed.
4. salt along with oxygen gas is formed.

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. In which of the following neutralisation reactions, the heat of neutralisation will be highest?

1. $HCl$ and $NaOH$
2. ${CH}_{3}COOH$ and ${NH}_{4}OH$
3. $HCl$ and ${NH}_{4}OH$
4. ${CH}_{3}COOH$ and $NaOH$

Q.

Why is Na(HCO_{​​​​3})₂ used in health salts?

Q. Select the odd one out and justify your answer​
Fe, Pb, Al and Zn​

Q. What is meant by neutralisation? Give two examples from everyday life.​

Q. Complete the following reaction:
$2\mathrm{NaOH}\left(\mathrm{aq}\right)+H_2{\mathrm{SO}}_4\left(\mathrm{aq}\right)\to$

1. ${\mathrm{Na}}_2{\mathrm{SO}}_4\left(\mathrm{aq}\right)+2H_{2}O\left(l\right)$
2. ${\mathrm{Na}}_{2}O\left(\mathrm{aq}\right)+2H_{2}O\left(l\right)$
3. ${\mathrm{Na}}_{2}O\left(\mathrm{aq}\right)+2H_{2}O\left(l\right)+{\mathrm{SO}}_2\left(g\right)$
4. ${\mathrm{Na}}_2{\mathrm{SO}}_4\left(\mathrm{aq}\right)+2H_{2}S\left(g\right)$

Q. A milkman adds a very small amount of baking soda to fresh milk. The pH will :

1. increase
2. same as milk
3. none of these
4. decrease

Q. Choose the correct option​ Hydrogen is evolved by the action of cold dil. $HN{O}_3$ on ​

1. Mg
2. Zn
3. Cu
4. Fe

Q. Identify X in the following reaction
X+ Acid $\to$ Salt +$H2O$

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

Q.

Question 2

What is a neutralization reaction? Explain with an example.

Q. Pick the correct option.
An acid base reaction that is followed by an effervescence of $C{O}_2$.

1. $NaOH+HCl\to$
2. $CaS{O}_4+HCl\to$
3. $C{H}_{3}COOH+HCl\to$
4. $NaHC{O}_3+HCl\to$

Q.

Fill in the blank :
$MgO+HCl\to$__________

1. None of these

2. $MgC{l}_2+H_{2}O$

3. $Mg(OH{)}_2+H_{2}O+C{l}_2$

4. No reaction

Q.

Define photo chemical reaction.