12 Class Fsc Part 2 Short Questions Online Preparation for Chemistry chapter wise

Online Short Questions For Chapter 2 "12th Class Chemistry Chapter 2 Short Questions Preparation "

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Chemistry - 12th Class Chemistry Chapter 2 Short Questions Preparation

Question # 1

Write the formulae of 1) Natron 2) Dolomite.

  • Ans 1: Formulae of 1)Natron 2) Dolomite
    Formula of Natron: Na2CO3.H2O
    Formula of Dolomite: MGCO3.CaCO3
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Prepare Complete Set Wise Questions For Chapter 2 "12th Class Chemistry Chapter 2 Short Questions Preparation "

12th Class Chemistry Chapter 2 Short Questions Preparation - Set 1

Question # 1

Write the formulae of 1) Natron 2) Dolomite.

  • Ans 1: Formulae of 1)Natron 2) Dolomite
    Formula of Natron: Na2CO3.H2O
    Formula of Dolomite: MGCO3.CaCO3
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12th Class Chemistry Chapter 2 Short Questions Preparation - Set 2

Question # 1

Why Calcium is essential for the normal growth of plants?

  • Ans 1: Use of Calcium in normal growth of Plants:The presence of calcium is essential for the normal development of plants.The quantity of calcium required by different plants varies considerably.An adequate supply of calcium appears to stimulate the development of roots hairs and,infect,the entire root system.
    Calcium is also necessary for the normal leave development and tends to accumulate in leaves as well as in bark,an adequate supply of calcium is also essential for the optimum activity of microorganisms that produce nitrates.
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12th Class Chemistry Chapter 2 Short Questions Preparation - Set 3

Question # 1

What is the role of Gypsum in Agriculture.

  • Ans 1: Role of Gypsum in Agriculture: Gypsum is applied to the soil as source of calcium and sulphur. The calcium supplied by gypsum in fertilizer is of importance in crop production in area where soils are subject to extensive leaching. Sulphur compounds had been applied to soils because of their observed beneficial effect on plants,sulphur has an influence on chlorophyll development in plant leaves.Although not a constituent o chlorophyII,plants deficient in sulphur exhibits a pale green color.The root system of several plants have been observed to be greatly enlarged by the application of sulphur containing materials such as gypsum.
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12th Class Chemistry Chapter 2 Short Questions Preparation - Set 4

Question # 1

How chlorine produced in Diaphragm cell,is protected to react with Hydroxide ions?

  • Ans 1: Chlorine produced can react with hydroxide ions.To prevent this problem asbestos diaphragm is used.This keeps the two solutions separate while allowing sodium ions to move towards the cathode.This movement of ions keep the current following through the external current.
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12th Class Chemistry Chapter 2 Preparation

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