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331. Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Carbon is found in a large number of compounds in nature.Reason (R) : Carbon has the unique property of combining and exchanging ions with other elements to from various compounds.
A. Both A and R are true but R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is true but R is false.
Explanation:
332. Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Unlike photographic film which can be used only once, video tapes canbe reused several times.Reason (R) : Photography involves chemical change, but video recording is a physical change
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
333. The life of photo prints is longer in case of
A. coloured prints with fixer
B. coloured prints without fixer
C. black and white prints
D. computer developed black and white prints
Explanation:
334. Hybrids of Which of the following are not available for commercial production ?
A. Rice
B. Maize
C. Wheat
D. Jute
Explanation:
335. Consider the following statements about aluminium : 1. It is the third most abundant element in the earths crust. 2. It is uses to make over-head electric transmission lines. 3. Aluminium vessels cannot be used for making alkali solutions.of these statements, the correct ones are
A. 1 and 2
B. 2 and 3
C. 1 and 3
D. 1, 2 and 3
Explanation:
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