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(CBSE Science) Class 10th Chapter -1
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Name: Maths Questions in Hindi –
Subject: Mathematics
Topic: All Mathematics Topics
Questions: 15 Objective Type Questions
Time Allowed: No Limit
Language: Hindi
Important for: UPSC, RRB, Police Exams, State PCS, BA, MA, Bed Entrance Exams, Other Competitive Exams आदि |
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Question 1 of 20
1. Question
1 pointsWhich of the following observations help us to determine whether a chemical reaction has taken place ?
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Question 2 of 20
2. Question
1 pointsCalcium oxide reacts vigorously with water to produce :-
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Question 3 of 20
3. Question
1 pointsWhich one of the following processes involve chemical reactions ?
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Question 4 of 20
4. Question
1 pointsWhich of the following is not a physical change ?
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Question 5 of 20
5. Question
1 pointsWhich of the following reactions is an endothermic reaction ?
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Question 6 of 20
6. Question
1 pointsSuch a reaction in which a single product is from two or more reactants is known as:-
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Question 7 of 20
7. Question
1 pointsBurning of coal is an example of :-
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Question 8 of 20
8. Question
1 pointsRespiration is an –
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Question 9 of 20
9. Question
1 pointsThe reaction in which a single reactant is broken down into two or more than two products are known as:-
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Question 10 of 20
10. Question
1 pointsWhen lead nitrate powder is heated emission of brown fume is observed, this brown fume is :-
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Question 11 of 20
11. Question
1 pointsWhich of the following conditions is necessary for a chemical reaction?
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Question 12 of 20
12. Question
1 pointsWhich information is not conveyed by a balanced chemical equation ?
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Question 13 of 20
13. Question
1 pointsChemically rust is
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Question 14 of 20
14. Question
1 pointsWe store silver chloride in a dark coloured bottle because it is
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Question 15 of 20
15. Question
1 pointsThe reaction in which a substance or substances undergo change to produce new substances with new properties is called
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Question 16 of 20
16. Question
1 pointsWhat happens when dilute hydrochloric acid is added to iron filings ?
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Question 17 of 20
17. Question
1 pointsWhen crystals of lead nitrate are heated strongly in a dry test tube
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Question 18 of 20
18. Question
1 pointsRancidity can be prevented by
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Question 19 of 20
19. Question
1 pointsThe reaction in which two compound exchange their ions to from two new compounds is called
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Question 20 of 20
20. Question
1 pointsIdentify the types of chemical reaction occurring during the combustion of fuel ;