10th Standard Science Chapter 3

10th Standard Science Chapter 3 Quiz. how much you know or you don’t  know,  test here. quiz  contains only 10 questions there no time limit.

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10th Standard Science Chapter 3

TEST YOUR SKILLS

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Q1) Which of the following are exothermic processes? (i) Reaction of water with quick lime
(ii) Dilution of an acid
(iii) Evaporation of water
(iv) Sublimation of camphor (crystals)

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Question 2.
Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?  (i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility

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Question 3.
Due to its semiconductor properties the non-metal used in computer, T.V. etc. is

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Question 4.
What happens when calcium is treated with water?
(i) It does not react with water.
(ii) It reacts violently with water.
(iii) It reacts less violently with water.
(iv) Bubbles of hydrogen gas formed stick to the surface of calcium

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Question 5.
Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)

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Question 6.
Which of the following metals are obtained by electrolysis of their chlorides in molten state.(i) Na
(ii) Ca
(iii) Fe
(iv) Cu

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Question 7.
An alloy reacted with dilute hydrochloric acid to produce a gas which ‘pops’ a lighted splint. The residue reacted with dilute nitric acid to form a blue solution. Which one of the following pairs of metals is present in the alloy?

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Question 8.
Which of the following metals exist in their native state in nature. (i) Cu
(ii) Au
(iii) Zn
(iv) Ag


 

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9. An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be

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10. Which of the following pairs will give displacement reactions?

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