Advertisements
Advertisements
प्रश्न
What happens when carbon dioxide is passed through lime water first in small amounts and then in excess ?
Advertisements
उत्तर
When CO2 is passed through lime water in small amount, it turns milky, when passed in excess milkiness disappears.
APPEARS IN
संबंधित प्रश्न
Write the balanced chemical equation for the above reaction.
Give reason for the following:
Solid carbon dioxide is used for refrigeration of food.
Fill in the blank
....................... is formed when carbon is burnt in a limited supply of air or oxygen.
Carbon monoxide burns in air with a ______ flame to form carbon dioxide.
Explain the reducing action of carbon monoxide.
‘When carbon dioxide is bubbled into lime water, the lime water turns milky and when bubbled in excess the milkiness disappears’. Give balanced equations to support the statement.
Give reason why carbon monoxide is considered a highly poisonous gas. State why it is dangerous to sleep in a closed room with a fuel burning.
State how carbon monoxide finds application in the metallurgy of iron. [Give balanced equations for the same]
State how carbon monoxide finds application in preparation of an alcohol. [Give balanced equations for the same]
Give reason for the following:
Lime water finds application for testing both carbon dioxide & carbon monoxide gas individually.
