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CBSE Questions

Total Questions 9982
why is vernier caliper regarded as less accurate than measurement taken in screw guage?
who invented java?
what was the contribution of pierre curie for recieving nobel prize for chemistry
what is diffusion?
Calculate the weight of sodium sulphate required to prepare 1 kg of 0.2 moles of aqueous soln?
Calculate the weight of sugar that must be dissolved in 400 dcm3 of water to prepare 0.05 molar solution.?
1.2 gm of sample chalk ( CaCO3 ) containing clay as impurity was treated with excess of dil HCl. The volume of CO2 liberated at STP was 230 ml. Calculate the percentage of impurity of the sample.
How many moles ofoxygen are required to produce 242g of MgO by burning Magnesium. (Mg = 24, O = 16 )
hOW MANY MOLECULES ARE PRESENT IN 2.24ml of co2 measured at STP?
what is rolling friction
HCF of 65 and 117 is expressible in the form 65m-117. Find the LCM of 65 and 117 using prime factorization method.
what are the parts of a human body
what is solvey process
How did ozone got its name ?
what's the function of nerve cell ?
derive the 2 nd equation of motion ?
Where do you type pseudo codes ?
overloading function
what is inertial mass?
take any point o in the interior of a triangle op+oq>pq yes explain how