Who invented the thermos flask?
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What is the unit of calorific value?
Which of the following are the smaller planets than the size of the Earth?
The longest day of the year in the Northern Hemisphere occur on _____.
Which type of democracy do we follow in India?
Oxide of which of the following will turn red litmus blue?
In the following question, out of the four alternatives, select the word opposite in meaning to the word given.Colossal
Alveoli is related to which of the following system of human body?