निम्न में से कौन सा

Water from soil enters into the root hairs owing to :

_____ are a group of chemicals that influence cell division and shoot formation.

In the synthesis of aspirin (acetylsalicylic acid) from salicylic acid, which reagent is used?

100 gram of ice at 0°C is mixed with 100 gram of water at 80°C. What will be the final temperature of the mixture ?

Which of the following is an example of a heterogeneous mixture?

The force of attraction between the particles of matter is maximum in______.

Rod of which of the following metal is used in nuclear reactors to slow down the speed of the neutrons?

Which of the following statement regarding Rutherford nuclear model is NOT correct?

What happens to a liquid, when the vapour pressure equals the atmospheric pressure?

The device which transfer the signal from low resistance region to high resistance region is –