Question

Q.4)Answer in one word or one sentences.
1)Name that plant on which silk larva feeds?
2)Which part of the sheep has wool?
3)what is meant by transfer of heat ?
4)Name the acid present in milk and vinegar ?
5)Which gas is evolved when metal carbonates react with an acid ?
6)ls ripening of fruit a chemical change ?
7)Which type of change is seen in the leaves of a mimosa plant when it is
touched?
8)Which term is used to denote the amount of water vapour in air?​

Answer 1

Explanation:

1. morus alba (melbarry leave)
2. stomach part
3. According to thermodynamic systems, heat transfer is defined as
5. The movement of heat across the border of the system due to a difference in temperature between the system and its surroundings.
7. Interestingly, the difference in temperature is said to be a ‘potential’ that causes the transfer of heat from one point to another. Besides, heat is also known as flux.
8. milk lactic acid vinegar acetic acid
9. salt, carbon dioxide and water are formed
10. yes chemical change
11. the leaf become shrink
12. relative humidity