Which gas used for purifying, air in underground enterprises ?
what is the formula of diesel,petrol & CNG too?
From what raw material is paper manufactured ?
How are pka and strength of a weak acid related?
Write the equation of photosynthesis?
Mention the different types of conductivities.
Which gas is used in hospitals for the artificial respiration ?
Why are substances like caustic soda and calcium chloride called hygroscopic substances ?
What is Displacement Reaction .
how will you jug that the give organic compound is pure or not ??????
Explain the Atomic Molecular Theory ?
What is the molarity of a NaOH solution if 32.47ml. isrequired to titrate 0.6013g of potassium hydrogen phthalate?
Explain the Hybridigation?