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.
