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CBSE->Std 10 Questions

Total Questions 2595
why aluminium(Al) is used for packing article as it is a reactive metal
explain redox reaction with example
name 2 salts used in black & white photography
Brief description on biochemicals.
What is principle of mathematical induction
Write all the other trigonometric ratio of angle a in terms of sec a
what was the attitude of people in india in the nineteenth century towards women reading?how did women respond to this?
what was the attitude of people in india in the nineteenth century towards women reading?how did women respond to this?
for which all professions "lalitha kada academy " award is given
dramas which thilakan acts and the rolls played by him in that dramas?
why is it is said that ostrichs egg is the largest cell. but according to my knowledge egg is not a cell .Then what in the egg is the largest cell
why cannot a chemical change be reversed
What are the social practices that O.chandu Menon criticised in Indulekha? Essay
I want more videos to be uploaded related to my subjects....plzz..
A merchant has 120 litres of oil of one kind, 180 litres of another kind and 240 litres of three kind. He wants to sell the oil by filling the three kinds of oil in tins of equal capacity.What is the greatest capacity of such a tin?
Check whether 13x17x19 +23x38 is prime or composite.
Any 3 social groups of people that need to be accommodated in power sharing and ways/process by which they can be accomodated
Explain the feeding of paramecium.
WHAT ARE CHROMOSOMES?
A chemist hasone solution which is 50% acid and a solution 25% acid.how much of should be mixed to get the 40% of acid???how can it be proved