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Preparation of Hydrogen from Cold Water and Metals

Potassium rea...

Question

Potassium reacts with water to produce _______ flame.

Lilac

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Yellow

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Red

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Green

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Solution

The correct option is A
Lilac

Potassium burns in water with lilac coloured flame.

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Similar questions

When potassium reacts with cold water then hydrogen gas burns with a _____ coloured flame.

Sodium reacts with cold water to form a compound that burns with a flame. Guess the colour of flame.

A

B

C

D

C

B

D

B

H_{2} S O_{4}

A

A, B, C

D

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