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KUMAR PRAKASHAN-CHEMICAL REACTIONS AND EQUATIONS -OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option from those given below each question : )
- 6g of hydrogen is burnt in the presence of excess oxygen. The mass of ...
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- Which information not obtained by the balanced chemical equation ?
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- Which of the following are exothermic reactions ? (i) Evaporation o...
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- Reaction : 4NH(3)(g) + 5O(2)(g) to 4NO(g) + 6H(2)O(g) is an example o...
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- Which of the following reaction occurs in whitewashing of walls ?
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- What happens when crystals of lead nitrate are heated strongly in a dr...
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- Dilute hydrochloric acid is added to test tube containing pieces of zi...
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- Rancidity can be prevented by .
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- Which of the following is not a single displacement reaction ?
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- An element X on exposure to moist air turns reddish brown and new comp...
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- Identify the reducing agent in the following reaction : Reaction : 3...
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- Both H(2) and CO(2) gases are...
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- When reddish brown copper metal is heated it forms a black solid surfa...
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- Silver chloride is stored in dark coloured bottle because...
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- On immersing the Zn rod in the solution of copper sulphate, you will o...
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- The reaction of H(2) gas with oxygen gas forms water. This reaction is...
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- For the reaction, CuO + H(2) to Cu + H(2)O, choose the correct stateme...
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- Select the proper option for the following statements : Statement 1:...
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