1. Which element is a liquid at ordinary temperature?
Mercury
2. What is the chemical name of baking soda?
Sodium hydrogen carbonate
3. What is sodium carbonate commonly known as?
Washing soda or soda ash
4. What is sodium chloride?
Table salt
5. What is table sugar?
Sucrose
6. What is the element present on lead pencils?
Carbon (graphite)
7. Which gas is found in soda water?
Carbon dioxide
8. What is the solvent of gold?
Aquaregia
9. Name the chemical assed to make tooth pastes white?
Titanium dioxide
10. Which chemical is called Chile Salt peter?
Sodium Nitrate