Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia?
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Non-metal oxides are usually
There are 15 protons and 22 neutrons in the nucleus of an element. What is its mass number?
Pick the odd one out from the following:
Researchers at the University of Illinois have discovered new form of matter called Excitonium which was coined by ______ in the 1960’
What was the element used in traditional thermometers which is highly toxic in nature?
Which of the following is NOT a property of acids?
Which of the following is an amphoteric oxide?
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