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Everyday Science MCQs — Test 46

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Question 1
What is the density ofargon gas at a temperature of 30°C and a pressure of 1.05 atm?
Question 2
The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in__________?
Question 3
The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ?
Question 4
The formula C6H5-CO-CH3 represents_______ ?
Question 5
Poisonous gas present in the exhaust fumes of a jet plane is__________?
Question 6
The gases used in different types of welding would include ___________?
Question 7
The ozone molecule contains which type of bonding__________?
Question 8
The O-O linkage is present in__________?
Question 9
The number of lone pairs in XeOF4 is_________?
Question 10
Argon gas was discovered by_______?