Assertion and Reason Type question chapter :-1 chemical reaction class 10

CLASS IX, X , XI , XII , NEET and JEE 

                    COMPETENCY BASED 

                  (PISA BASED QUESTIONS)

  Assertion and Reason Type question  part :- 1

                chapter :-1 chemical reaction  
                              class 10

1. . Assertion :- Fe2O3+2Al → AL2O3+ 2Fe Reaction example of displacement and exothermic reaction .
 Reason : Iron and aluminum displace to each other with evolved heat.

(i) Both assertion and reason are true and the reason is the correct explanation of assertion
(ii) Both assertion and reason are true and the reason is not the correct explanation of assertion
(iii) Assertion is true but the reason is false
(iv) Both assertion and reason are false
((v) Assertion is false but reason is true.

... Answer is iii)
(iii) Assertion is true but the reason is false"

2. Assertion : Zinc liberate hydrogen gas when react with dilute sulphuric acid whereas copper does not. 

Reason : Because Zinc is more reactive than copper

(i) Both assertion and reason are true and the reason is the correct explanation of assertion
(ii) Both assertion and reason are true and the reason is not the correct explanation of assertion.
(iii) Assertion is true but the reason is false.
(iv) Both assertion and reason are false
(v) Assertion is false but reason is true

... Answer is i)
(i) Both assertion and reason are true and the reason is the correct explanation of assertion".

 3. Assertion :- Respiration is consider an exothermic reaction . 
Reason : because its involve combustion of glucose with production of carbon dioxide and water with large amount of heat. :

(i) Both assertion and reason are true and the reason is the correct explanation of assertion.
(ii) Both assertion and reason are true and the reason is not the correct explanation of assertion
(iii) Assertion is true but the reason is false.
(iv) Both assertion and reason are false.
(v) Assertion is false but reason is true

... Answer is i)
. (i) Both assertion and reason are true and the reason is the correct explanation of assertion.".

4. Assertion : :- Silver chloride decomposition is called photochemical decomposition. Reason :- Because its progress in presence of electricity . :

(i) Both assertion and reason are true and the reason is the correct explanation of assertion
(ii) Both assertion and reason are true and the reason is not the correct explanation of assertion.
(iii) Assertion is true but the reason is false
(iv) Both assertion and reason are false
(v) Assertion is false but reason is true.

... Answer is iii)
iii) Assertion is true but the reason is false ".

5. Assertion :Barium chloride and sodium sulphate aqueous solution react with each other the form insoluble substance .
 Reason :The insoluble substance of barium sulphate know as white precipitate it’s not dissolve in water .

(i) Both assertion and reason are true and the reason is the correct explanation of assertion.
(ii) Both assertion and reason are true and the reason is not the correct explanation of assertion
(iii) Assertion is true but the reason is false
(iv) Both assertion and reason are false.
(v) Assertion is false but reason is true.

... Answer is i)
i) Both assertion and reason are true and the reason is the correct explanation of assertion".

6. Assertion : CuO +H2 → Cu +H2O The above rection is example of redox reaction in given reaction .
 Reason : Because copper oxidized and hydrogen reduce in water.

(i) Both assertion and reason are true and the reason is the correct explanation of assertion
(ii) Both assertion and reason are true and the reason is not the correct explanation of assertion
(iii) Assertion is true but the reason is false.
(iv) Both assertion and reason are false.
(v) Assertion is false but reason is true.

... Answer is iii)
(iii) Assertion is true but the reason is false ".

7. Assertion :during decoposition of lead nitrate reddish brown gas appeared .
 Reason :Reddish brown colour of gas is evidence of presence of nitrogen di oxide gas.

(i) Both assertion and reason are true and the reason is the correct explanation of assertion
(ii) Both assertion and reason are true and the reason is not the correct explanation of assertion
(iii) Assertion is true but the reason is false
(iv) Both assertion and reason are false
(v) Assertion is false but reason is true.

... Answer is i)
(i) Both assertion and reason are true and the reason is the correct explanation of assertion".

8. Assertion : Corrosion of iron is called rusting process but it prevented by galvanization. 
Reason :- Zinc is more reactive than iron

(i) Both assertion and reason are true and the reason is the correct explanation of assertion.
(ii) Both assertion and reason are true and the reason is not the correct explanation of assertion
(iii) Assertion is true but the reason is false
((iv) Both assertion and reason are false
(v) Assertion is false but reason is true.

... Answer is i)
(i) Both assertion and reason are true and the reason is the correct explanation of assertion.".

9. Assertion :- carbon dioxide turn colourless lime water into milky colour .
 Reason :- Due to formation of calcium carbonate ?

(i) Both assertion and reason are true and the reason is the correct explanation of assertion
(ii) Both assertion and reason are true and the reason is not the correct explanation of assertion.
(iii) Assertion is true but the reason is false
(iv) Both assertion and reason are false.
(v) Assertion is false but reason is true.

... Answer is i)
(i) Both assertion and reason are true and the reason is the correct explanation of assertion .".

10. Assertion :- Electrolysis of water is a decomposition reaction .
 Reason :- 2 mol hydrogen and 1 mol oxygen gas collected in their respected electrode because water is compound of Hydrogen and oxygen

(i) Both assertion and reason are true and the reason is the correct explanation of assertion
(ii) Both assertion and reason are true and the reason is not the correct explanation of assertion.
(iii) Assertion is true but the reason is false.
(iv) Both assertion and reason are false.
(v) Assertion is false but reason is true..

... Answer is i)
(i) Both assertion and reason are true and the reason is the correct explanation of assertion".