Question

For this question two statements are given - one labeled as Assertion (A) and the other as Reasoning (R). Select the correct answer to these questions from the codes a, b, c, d as given below.
a. Both (A) and (R) are true and (R) is the correct explanation of the assertion (A).
b. Both (A) and (R) are true but (R) is not the correct explanation of the assertion (A).
c. (A) is true, but (R) is false.
d. (A) is false but (R) is true.

(i) Assertion - Pyruvate is a six carbon molecule.
Reason - It is prepared in the cytoplasm as a first step to cellular respiration.
(ii) Assertion - combustion reactions are also called exothermic oxidation reactions.
Reason - In these reactions, oxygen is added and heat energy is released.
(iii) Assertion - white silver chloride turns grey in the presence of sunlight.
Reason - In the presence of sunlight silver chloride decomposes into silver metal and chlorine gas.
(iv) Assertion - Carbonic acid is used in making soft drinks.
Reason - All mineral acids are corrosive.
(v) Assertion - Metals loss electrons to form positive ions.
Reason - Metals have 4 to 8 electrons in their outermost cell. ​

Answer 1

Answer:

1) B

2) A

3) A

4) B

5) C

Explanation:

Hope this helps