Quartz is made of
1). Calcium Sulphate
2). Calcium Silicate
3). Sodium Sulphate
4). Sodium Silicate
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1. Question 2.12:State Henry’s law and mention some important applications?
2. Which of the following is used as anaesthetics?
3. Which one of the following is a microelement?
5. What is the most common salt in sea water ?
6. The inert gases are ____ in water.
7. Which of the following is not soluble in water?