Glass is made of the mixture of:
A). Quartz and mica
B). Sand and silicates
C). Salt and quartz
D). Sand and salt
1. Natural rubber is the polymer of:
2. Helium gas is filled in ballons because
3. One of the constituents of tear gas is
4. The charcoal used to decolourise brown sugar solution is
5. The atmospheric gas that is mainly responsible for Green House effect :
6. Which of the following is an example for cantilever beam?
7. The crossing of a homozygous tall plant with a dwarf would yield plaits in the ratio of
8. The Bhopal tragedy was caused by the gas
10. Which of the following alkali metals has highest specific heat?