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

Give the name and formula for common minerals of Be.

  • Ans 1: Name Formula
    Beryl Be3Al2(SiO3)2
    Chrysoberyl Al2BeO4
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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

Give the name and formula for common minerals of Be.

  • Ans 1: Name Formula
    Beryl Be3Al2(SiO3)2
    Chrysoberyl Al2BeO4
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12th Class Chemistry Chapter 2 Short Questions Preparation - Set 2

Question # 1

Write the formulas of:a) Beryl b) Sylvite.

  • Ans 1: a) Beryl b)Be3Al2(SiO3)2 c) Sylvite d) KCl
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12th Class Chemistry Chapter 2 Short Questions Preparation - Set 3

Question # 1

Mention two major problems that may arise in Nelson's cell.

  • Ans 1: i) Chlorine produced can react with hydroxide ions in cold giving hypochlorite ions.
    ii) Hydroxide ions may be attracted toward anode.where they can be discharged releasing oxygen gas.This oxygen gas may contaminate the chlorine and renders it impure.
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12th Class Chemistry Chapter 2 Short Questions Preparation - Set 4

Question # 1

Which Elements are called as alkaline earth metals?Why this name is used for these elements?

  • Ans 1: Elements of group IIAare called alkaline earth metals.The alkaline earth metals are beryllium,magnesium,calcium,strontium,barium and radium.They are called alkaline earth metals because they produce alkalies in water and are widely distributed in earth crusts.
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12th Class Chemistry Chapter 2 Preparation

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