302955
The acidic or basic nature of a substance is tested by using:
1 Indicator
2 Litmus paper
3 Salt solution
4 Both A and B
Explanation:
Both A and B Litmus paper is used to detect the acidic or basic nature of a substance. Color of litmus paper in acid: Blue litmus paper turns red when dipped in acidic solution. Acid-base indicators (also known as pH indicators) are substances that change color with pH.
ACIDS, BASES and SALTS
302956
The Correct Way Of Making A Solution Of Acid In Water Is To:
1 Add water to acid.
2 Add acid to water.
3 Mix acid and water simultaneously.
4 Add water to acid in a shallow container.
Explanation:
Add acid to water. Making solution of acid and water evolve heat. Acid should be added to water dropwise.
ACIDS, BASES and SALTS
302957
Which of the following is used to relieve indigestion of stomach?
1 Calamine
2 Milk of magnesia
3 Baking soda
4 All of these
Explanation:
Milk of magnesia Milk of magnesia contains magnesium hydroxide. It relieve indigestion of the stomach.
ACIDS, BASES and SALTS
302958
When the soil is too basic, plants do not grow well in it. To improve its quality, what must be added to the soil?
1 Organic matter.
2 Quicklime.
3 Slaked lime.
4 Calamine solution.
Explanation:
Organic matter. Organic matter (called manure or compost) releases acids which neutralise the excess bases present in the soil and reduce its basic nature.
302955
The acidic or basic nature of a substance is tested by using:
1 Indicator
2 Litmus paper
3 Salt solution
4 Both A and B
Explanation:
Both A and B Litmus paper is used to detect the acidic or basic nature of a substance. Color of litmus paper in acid: Blue litmus paper turns red when dipped in acidic solution. Acid-base indicators (also known as pH indicators) are substances that change color with pH.
ACIDS, BASES and SALTS
302956
The Correct Way Of Making A Solution Of Acid In Water Is To:
1 Add water to acid.
2 Add acid to water.
3 Mix acid and water simultaneously.
4 Add water to acid in a shallow container.
Explanation:
Add acid to water. Making solution of acid and water evolve heat. Acid should be added to water dropwise.
ACIDS, BASES and SALTS
302957
Which of the following is used to relieve indigestion of stomach?
1 Calamine
2 Milk of magnesia
3 Baking soda
4 All of these
Explanation:
Milk of magnesia Milk of magnesia contains magnesium hydroxide. It relieve indigestion of the stomach.
ACIDS, BASES and SALTS
302958
When the soil is too basic, plants do not grow well in it. To improve its quality, what must be added to the soil?
1 Organic matter.
2 Quicklime.
3 Slaked lime.
4 Calamine solution.
Explanation:
Organic matter. Organic matter (called manure or compost) releases acids which neutralise the excess bases present in the soil and reduce its basic nature.
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ACIDS, BASES and SALTS
302955
The acidic or basic nature of a substance is tested by using:
1 Indicator
2 Litmus paper
3 Salt solution
4 Both A and B
Explanation:
Both A and B Litmus paper is used to detect the acidic or basic nature of a substance. Color of litmus paper in acid: Blue litmus paper turns red when dipped in acidic solution. Acid-base indicators (also known as pH indicators) are substances that change color with pH.
ACIDS, BASES and SALTS
302956
The Correct Way Of Making A Solution Of Acid In Water Is To:
1 Add water to acid.
2 Add acid to water.
3 Mix acid and water simultaneously.
4 Add water to acid in a shallow container.
Explanation:
Add acid to water. Making solution of acid and water evolve heat. Acid should be added to water dropwise.
ACIDS, BASES and SALTS
302957
Which of the following is used to relieve indigestion of stomach?
1 Calamine
2 Milk of magnesia
3 Baking soda
4 All of these
Explanation:
Milk of magnesia Milk of magnesia contains magnesium hydroxide. It relieve indigestion of the stomach.
ACIDS, BASES and SALTS
302958
When the soil is too basic, plants do not grow well in it. To improve its quality, what must be added to the soil?
1 Organic matter.
2 Quicklime.
3 Slaked lime.
4 Calamine solution.
Explanation:
Organic matter. Organic matter (called manure or compost) releases acids which neutralise the excess bases present in the soil and reduce its basic nature.
302955
The acidic or basic nature of a substance is tested by using:
1 Indicator
2 Litmus paper
3 Salt solution
4 Both A and B
Explanation:
Both A and B Litmus paper is used to detect the acidic or basic nature of a substance. Color of litmus paper in acid: Blue litmus paper turns red when dipped in acidic solution. Acid-base indicators (also known as pH indicators) are substances that change color with pH.
ACIDS, BASES and SALTS
302956
The Correct Way Of Making A Solution Of Acid In Water Is To:
1 Add water to acid.
2 Add acid to water.
3 Mix acid and water simultaneously.
4 Add water to acid in a shallow container.
Explanation:
Add acid to water. Making solution of acid and water evolve heat. Acid should be added to water dropwise.
ACIDS, BASES and SALTS
302957
Which of the following is used to relieve indigestion of stomach?
1 Calamine
2 Milk of magnesia
3 Baking soda
4 All of these
Explanation:
Milk of magnesia Milk of magnesia contains magnesium hydroxide. It relieve indigestion of the stomach.
ACIDS, BASES and SALTS
302958
When the soil is too basic, plants do not grow well in it. To improve its quality, what must be added to the soil?
1 Organic matter.
2 Quicklime.
3 Slaked lime.
4 Calamine solution.
Explanation:
Organic matter. Organic matter (called manure or compost) releases acids which neutralise the excess bases present in the soil and reduce its basic nature.
302955
The acidic or basic nature of a substance is tested by using:
1 Indicator
2 Litmus paper
3 Salt solution
4 Both A and B
Explanation:
Both A and B Litmus paper is used to detect the acidic or basic nature of a substance. Color of litmus paper in acid: Blue litmus paper turns red when dipped in acidic solution. Acid-base indicators (also known as pH indicators) are substances that change color with pH.
ACIDS, BASES and SALTS
302956
The Correct Way Of Making A Solution Of Acid In Water Is To:
1 Add water to acid.
2 Add acid to water.
3 Mix acid and water simultaneously.
4 Add water to acid in a shallow container.
Explanation:
Add acid to water. Making solution of acid and water evolve heat. Acid should be added to water dropwise.
ACIDS, BASES and SALTS
302957
Which of the following is used to relieve indigestion of stomach?
1 Calamine
2 Milk of magnesia
3 Baking soda
4 All of these
Explanation:
Milk of magnesia Milk of magnesia contains magnesium hydroxide. It relieve indigestion of the stomach.
ACIDS, BASES and SALTS
302958
When the soil is too basic, plants do not grow well in it. To improve its quality, what must be added to the soil?
1 Organic matter.
2 Quicklime.
3 Slaked lime.
4 Calamine solution.
Explanation:
Organic matter. Organic matter (called manure or compost) releases acids which neutralise the excess bases present in the soil and reduce its basic nature.