Which type of reaction occurs when carbon burns in oxygen to give carbo dioxide?
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Atomic mass of Sulphur is 32 u. The number of moles in 16 grams of Sulphur is:
Which of the following is a correct pair according to increasing atomic number from left to right?
For dilution of a concentrated acid, we should add:
Which of the following metals does NOT react with Oxygen even at a high temperature?
How many molecules are present in one mole of water?
Least distance of distinct vision for normal eye is
Fill in the blank with the most appropriate option.
An element attains stability when it achieves ________ state.