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
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Condensation of steam is not a chemical change.
What are oxides ?
State what you would observe when the following substance is heated in a glass test tube Copper (II) carbonate Red lead .
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
Give a chemical test to distinguish between the following gases.
HCl and Cl2
Represent the addition of dilute sulphuric acid to zinc by means of a chemical equation. State the function of the arrow between the reactants and products.
Give two examples where a chemical reaction is accompanied by a change in colour of the reactants and products on completion of the reaction.
Rusting of Iron: undesirable change:: Dead plants turn into manure: ______.
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
Are these changes chemical in nature?
Chemical changes are important in our day-to-day life. Give examples.
