Presence of moisture turns the colour of cobalt choride paper into __________

Green

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Blue

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Pink

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Red

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Moist cobalt chloride paper turns Blue in colour.

Given above is the diagram of an experimental setup to study the process of transpiration in plants. Study the same and then answer the questions that follow:

(a) Name the color of dry cobalt chloride paper?

(b) Is the experimental leaf a monocot or a dicot? Give a reason to support your answer.

(d) After about half an hour what change, if any, would you expect to find in the cobalt chloride paper placed on the dorsal and ventral sides of the leaf? Give a reason to support your answer.

Q. If a dried cobalt chloride paper is clipped on the under surface of a leaf its colour changes from blue to pink because

Q. Cobalt chloride paper is _________ colour when moist.

Q. Cobalt chloride is blue in dry state but in contact with moisture, it turns __________.

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