Which of the following statements about 'dry ice' are correct?
(a) It is a useful refrigerant.
(b) On heating, it turns into a liquid.
(c) It has acidic properties
(d) It causes burns when pressed against the skin.

(a) and (c)

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(a), (b) and (c)

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(b) and (d)

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(a), (c) and (d)

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Solution

The correct option is D (a), (c) and (d)
Option: (d)

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Which of the following statements about 'dry ice' are correct? (a) It is a useful refrigerant. (b) On heating, it turns into a liquid. (c) It has acidic properties (d) It causes burns when pressed against the skin.

The correct option is D (a), (c) and (d) Option: (d)

Which of the following statements about 'dry ice' are correct?
(a) It is a useful refrigerant.
(b) On heating, it turns into a liquid.
(c) It has acidic properties
(d) It causes burns when pressed against the skin.

The correct option is D (a), (c) and (d)
Option: (d)