Select the number from the given option that can replace

Which of the following types of coal is called a brown coal among the following?

Consider the reaction-

Copper sulphate solution (blue) + Iron → Iron sulphate soluton + Copper What is the colour of the iron sulphate solution?

Which of the following is NOT correct about the use of Quick lime?

A metal ball of volume 0.02 m³ is immersed fully in water. Find buoyant force. (Take g=10 m/s2, ρ = 1000 kg/m3)

Which among the following is produced using ‘Haber Process’?

If ice floating on water in a vessel melts, the water level in the vessel     .

Study the following questions carefully and choose the right answer:

The main thinking part of the brain is the _______?

Which of the following is not an algae?

Kindly Study the following questions carefully and choose the right answer.

Which of the following is/are true with respect to Amoeba?