Question

Please answer this questions​

Answer 1

Answer:

Q-4

1)physical change

2)chemical change

Q-5

As the temperature increases, expansion of mercury takes place in the capillary tube which leads to the rise in the level of mercury in thermometer.

Q-6

Melting is the process by which a substance changes from the solid phase to the liquid phase. ... Melting occurs when the internal energy of a solid increases, usually through the application of heat or pressure, such that the molecules become less ordered.

Answer 2

India dominates the Indian Ocean and commands an important strategic position. The central location of India is considered of great significance as it helps India to keep a close contact for business purpose with West Asia, Africa and Europe from western coast, and Southeast and East Asia from the eastern coast.