Fsc Part 2 Online Preparation for Chemistry Chapter 15 (Common Chemical Industries in Pakistan)

Online Short Questions For Chapter 15 "12th Class Chemistry Chapter 15 Short Questions Preparation "

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Chemistry - 12th Class Chemistry Chapter 15 Short Questions Preparation

Question # 1

Distinguish micronutrients and macronutrients for plants?

  • Ans 1: Micronutrients : The nutrient which are require in a very small amount for the growth of plants are called micronutrients,These include Boron,Copper ,iron,Manganese,Zinc.
    Macronutrients :The nutrients which are required in a large amount for the growth of plants are called macro-nutrients,These include Nitrogen ,Phosphorus ,Potassium,Calcium and Oxygen.

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Prepare Complete Set Wise Questions For Chapter 15 "12th Class Chemistry Chapter 15 Short Questions Preparation "

12th Class Chemistry Chapter 15 Short Questions Preparation - Set 1

Question # 1

Distinguish micronutrients and macronutrients for plants?

  • Ans 1: Micronutrients : The nutrient which are require in a very small amount for the growth of plants are called micronutrients,These include Boron,Copper ,iron,Manganese,Zinc.
    Macronutrients :The nutrients which are required in a large amount for the growth of plants are called macro-nutrients,These include Nitrogen ,Phosphorus ,Potassium,Calcium and Oxygen.

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12th Class Chemistry Chapter 15 Short Questions Preparation - Set 2

Question # 1

Define cement.Give its essential components.

  • Ans 1: Cement is the material obtained by burning an intimate mixture of calcarious and argillaceous material at sufficiently high temperature to produce clinkers.These clinker are the ground to a fine powder.'
    Essential components of cements:
    1.Calcarious material as source of CaO.
    2.Argillaceous material they provide acidic components such as aluminates and silicates.
    3.Gypsum
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12th Class Chemistry Chapter 15 Short Questions Preparation - Set 3

Question # 1

What are fertilizer and why they are required?

  • Ans 1: Fertilizers are the substance added to the soil to make up the deficient of essectial elements like nitrogen,phosphorus and potassium require for the proper growth of plants.Fertilizer enhance the natural fertility of the soil or replenish the chemical elements take up from the soil by the previous crops,.
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12th Class Chemistry Chapter 15 Preparation

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