Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
a) Both A and R are true, and R is correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion.
c) A is true, but R is false.
d) A is false, but R is true.
Assertion: After white washing the walls, a shiny white finish on walls is
obtained after two to three days.
Reason: Calcium Oxide reacts with Carbon dioxide to form Calcium
Hydrogen Carbonate which gives shiny white finish.
Assertion: Coils of electric toaster and electric irons are not made up of an
alloy, but it is made up of pure metal.
Reason: Alloy do not oxidize (or burn) easily at high temperature and they
have high resistivity than that of its constituent metal.
Assertion: In human male, testes are extra-abdominal which are present inside 1
a scrotum.
Reason: Scrotum has a relatively lower body temperature needed for the
production and storage of sperms.
Answers
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Answer:
answer = A
Explanation:
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