Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia?
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The oldest form of cultivation in Sri Lanka is known as
Which of the following gases is used to prevent food material from getting oxidised?
Din-i-llahi was promoted by
A ________________ is known by different names in different parts of the world. It is called a ‘hurricane’ in North America.
The line graph shows the exports by a certain company. Study the diagram and answer the following questions.
What were the total exports (in Rs lakhs) by the company in the last four years?
From the given alternatives, select the word which CANNOT be formed using the letters of the given word.
Reapproachement
An angle is 30 deg more than one half of its complement. Find difference between the greater and the smaller angles.