Which of the following is NOT a nucleon?
In the following gases, which is not a colorless or odourless gas?
Which of the following is called Aurum?
Which of the following gases are responsible for the greenhouse gas effect on Earth?
A solution that is at equilibrium must be
The pH of a solutiion is 3. When its pH changes to 6, then H+ ion concentration
Atomic mass of Carbon is 12 and that of Helium is 4. State which of the following statements is true for 1 mole of each of the elments?
How many atoms are present in one molecule of Ozone?
The molecular formula of Propane is
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