Reaction of alcohol, with a carboxylic acid is known as
1 Substitution Reaction
2 Addition reaction
3 Esterification
4 Hydrogenation
what are the advantages and disadvantages of empirical knowledge?
Which among the following is a positively charged particle emitted by a radioactive element? 1 Alpha ray 2 Beta ray 3 Gamma ray 4 Cathode ray
Which are known as non - luminous irregular nebulae?
What is the Physiology ?
A substance which changes readily into vapor without heating is called 1 Efflorescent 2 Synthetic 3 Volatile 4 Effervescent
Among the various allogropes of carbon 1 Diamond is the hardest, lamp black is the softest 2 Diamond is the hardest, coke is the softest 3 Coke is the hardest, graphite is the softest 4 Diamond is the hardest, graphite is the softest
Why we use nhexane inplace of hexane in mobilepase preparation
why our head's weight not feel our body?
What is length and weight of arihant?
0.005M K2Cr2O7 solution for calibration of UV.why 0.005M K2Cr2O7?
What is the Protoplasm ?
Where did the largest reflector telescope situated?