Cobalt chloride paper is _________ colour when moist.

red

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green

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pink

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purple

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Solution

The correct option is C pink
Cobalt chloride paper is an indicator of moisture. It is blue in colour when dry and pink coloured when moist.

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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.

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Q. What will be the colour of the blue cobalt chloride paper dipped in water?

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Cobalt chloride paper is _________ colour when moist.

The correct option is C pinkCobalt chloride paper is an indicator of moisture. It is blue in colour when dry and pink coloured when moist.

The correct option is C pink
Cobalt chloride paper is an indicator of moisture. It is blue in colour when dry and pink coloured when moist.