Advertisements
Advertisements
प्रश्न
When carbon dioxide is passed through lime water, it turns milky due to the formation of ______.
Advertisements
उत्तर
When carbon dioxide is passed through limewater, it turns milky due to the formation of calcium carbonate (CaCO3)
Explanation:
Calcium carbonate is formed when carbon dioxide reacts with the calcium hydroxide in lime water, causing it to have a milky appearance.
APPEARS IN
संबंधित प्रश्न
The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder, it exists as a liquid. When it comes out from the cylinder it becomes a gas (Change − A), then it burns (Change − B). The following statements pertain to these changes. Choose the correct one.
Give a reason.
Wasp sting is treated with vinegar.
TRUE \ FALSE
The evolution of a gas during a chemical reaction is shown by an arrow pointing downwards. True or false ?
Write a short note on the information derived from a balanced chemical equation.
Fill in the blank
A new substance is formed in a _______ change.
Give reason for the following:
Blue solution of copper sulphate changes to green when a piece of iron is added to this solution.
Give reason for the following:
Even though rusting is an exothermic reaction, the heat evolved when an iron nail rusts is unnoticeable.
State whether the following reaction is oxidation or reduction.
\[\ce{Na->Na+}\]
______ is not a chemical change.
Vanaspati is obtained from vegetable oils by the addition of ______ to the oils.
