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Everyday Science MCQs — Test 86

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Question 1
What is the molecular weight of Ammonia (NH3) ________ ?
Question 2
Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?
Question 3
The valency of carbon Atom is __________ ?
Question 4
Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?
Question 5
Which of the following noble gases is not present in atmosphere?
Question 6
Which of the following noble gases is abundant in air?
Question 7
Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?
Question 8
Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?
Question 9
The easy way of balancing the chemical equation is_________?
Question 10
Which one of the following is also known as lactic acid ?