pH of Soils

Q.

What does $\mathrm{pH}$ stands for?

Q.

The soil pH of cropland is 5. What kind of fertilizers should be used on that land?

Q.

Soil testing involves-

1. 
   

   Determination of pH

2. Porosity
3. Texture
4. 
   

   All of the above

Q.

A farmer while cultivating his farm by mistake added a lot of pesticides with a pH 2 into the soil. What will be the effect on his crops?

1. Doesn't affect the crops.

2. Crops produce more vegetables.

3. Crops grow faster.

4. Crops are destroyed.

Q.

Name the compound Mg(HCO3)_2.

Q.

If solution X has a pH of 6. Then X is:

1. Strong base

2. Weak acid

3. Weak base

4. Strong acid

Q.

The soil pH of cropland is 5. What kind of fertilizers should be used on that land?

Q. Under alkaline conditions of the soil in farmlands, farmers treat the soil with quick lime, slaked lime or calcium carbonate.

1. True
2. False

Q.

A farmer while cultivating his farm by mistake added a lot of pesticides with a pH 2 into the soil. What will be the effect on his crops?

1. Doesn't affect the crops.

2. Crops produce more vegetables

3. Crops are destroyed

4. Crops grow faster

Q. Soil should have pH around 5.5 to 7.5 to hold most of the nutrient required for plant growth.

1. True
2. False

Q. Soil should have pH around 5.5 to 7.5 to hold most of the nutrient required for plant growth.

1. True
2. False

Q. Which of the following have a pH less than five.

1. Apple
2. Lemon
3. Toothpaste
4. Orange
5. Bleach
6. Tamarind
7. cauliflower
8. Coke

Q. What shall be the optimal pH range of a soil so that it is suitable for plant growth?

1. 2.0 to 3.0
2. 8.0 to 10.0
3. 5.5 to 7.0
4. Above 10

Q.

Soil testing involves-

1. 
   

   Determination of pH

2. Porosity
3. Texture
4. 
   

   All of the above