Answer in detail III — task. Science State Board, Class 8.

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How does carbon dioxide react with the following?

a. Potassiumb. Lime waterc. Sodium hydroxide

a. Potassium combine with

$CO_2$ to form .

$4K+3CO_2→X+C$

X is

b. When a limited amount of

$CO_2$ is passed through lime water, it turns milky due to the formation of insoluble .

$Ca(OH)_2+CO_2→Y+H_2O$

Y is

c. Sodium hydroxide (base) is converted to (salt) and water when it reacts with carbon dioxide (acidic).

$2NaOH+CO_2→Z+H_2O$

Z is

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10. Answer in detail III