Glass is a
1). pure solid
2). supercooled liquid
3). gel
4). polymer
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1. White phosphorus is always kept under
2. Which of the following is also known as the Biochemical Laboratory of the Human Body?
3. Bhopal gas tragedy is associated with leakage of
4. The method that cannot be used for removing permanent hardness of water is
7. The term 'Carbon foot print' means
8. Which of the following is ozone depleting pesticide ?
9. What is the product formed when sodium bicarbonate is heated strongly?