MEDIUM
10th Rajasthan Board
IMPORTANT
Earn 100
Write the method of electrolysis of water. Give its essential chemical reaction and draw labelled diagram.
Important Questions on Solved Science Paper-1
MEDIUM
10th Rajasthan Board
IMPORTANT
Why does the colour of copper solution change when an iron nail is dipped in a solution of copper sulphate? Explain by required diagrams.
MEDIUM
10th Rajasthan Board
IMPORTANT
What are synapses called?
What are the functions of a nerve cell (neuron)?
Draw a labelled diagram of a neuron cell.
HARD
10th Rajasthan Board
IMPORTANT
Which part of the brain maintains the posture and balance of the body?
Write two examples of involuntary actions.
Draw a labeled diagram of the human brain.
MEDIUM
10th Rajasthan Board
IMPORTANT
Using a concave mirror of focal length , we want to form an erect image of an object. What should be the range of distance of the object from the mirror. Write a note on the nature and size of the image. Draw a ray diagram of the image formation in this situation. The magnification produced by a mirror is . What is it meaning ?
MEDIUM
10th Rajasthan Board
IMPORTANT
Which gas is usually released when an acid reacts with a metal? Explain with an example how you will test for the presence of this gas. Draw required diagram.
MEDIUM
10th Rajasthan Board
IMPORTANT
When a metal compound 'A' reacts with dilute hydrochloric acid, effervescence is produced and the gas produced extinguishes a burning candle. Give the name of the metal compound 'A' and the gas evolved. Write the balanced chemical equation for the complete reaction.
EASY
10th Rajasthan Board
IMPORTANT
Which hormone is activated the cell division
EASY
10th Rajasthan Board
IMPORTANT
Resistance of a conducting wire depends on :
