Advertisements
Advertisements
Question
Explain the following:
Lime water turns milky on passing carbon dioxide gas into it.
Advertisements
Solution
When carbon dioxide gas is passed through lime water, it turns milky because a white precipitate of calcium carbonate is formed.
Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water
APPEARS IN
RELATED QUESTIONS
What is anodising? Give its applications.
Name any three objects (or structures) which are gradually damaged by the corrosion of iron and steel.
What are the adverse effects of corrosion?
Write three methods of preventing rusting of iron.
Give reason.
A wooden article should be polished.
State whether the statement given below is true or false. If false write the correct statement.
Either oxygen or moisture is essential for rusting.
Bronze : _______ : : Stainless steel : Fe + Cr + C
Find the odd one out and give its explanation.
Write scientific reason.
On exposure to air, silver articles turn blackish after some time.
Observe the following figure and write the answer of the question.
- Which process is shown in the figure?
- Explain the chemical reaction shown in the figure.
- Write the reactions on anode and cathode.
