IMPORTANT QUESTIONS

1. Q71 Why does sound travel faster on a rainy day than on a dry day?

   Medium View solution
2. Q72 What is the relationship between the volume of a gas and its pressure at constant temperature?

   Medium View solution
3. Q73 State the principle of conservation of momentum.

   Easy View solution
4. Q74 What is rooftop gardening?

   Easy View solution
5. Q75 What is a step down transformer? Give one situation where a step down transformer is used.

   Medium View solution
6. Q76 Classify the following into alkanes, alkenes and alkynes: Butene, Propyne, Hexane, Pentyne, Ethane, Butyne, Ethene, Propane, Methane, Ethyne and Propene.

   Medium View solution
7. Q77 What are hemichordata, urochordata and cephalochordata together called?

   Medium View solution
8. Q78 What are the steps involved in the making of ceramic wares?

   Medium View solution
9. Q79 What is the general formula for alkynes?

   Medium View solution
10. Q80 Describe the shape of a red blood cell.

    Hard View solution