Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of
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In the following pair of words, pick the odd pair which is odd from the others?
What is the name of ecologically clean rocket developed by Russia based space research center?
The instrument used to determine the rotation speed of a shaft is called
The sum of digits of a two-digit number is 9. When the digits are reversed, the number decreases by 45. Find the changed number.
A pipe can fill a sump with water in 2 hours. Because of a leak, it took 2 2/3 hrs to fill the sump. The leak can drain all the water of the sump in
By selling a used phone for Rs.6,160 Rajan got 44% less than what it cost him to buy it a few years ago. At what price should Rajan have been able to sell it to make a profit of 5%?
Which of the following is a major river in Bangladesh which is also the main distributary of the Ganges?