Chemistry General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	Which is the most volatile compound?	HI HCI HBr HF
2	Sea weeds are important source of	Iron Chlorine Iodine Bromine
3	When sulphur is boiled with Na₂SO₃solution the compound formed is	Sodium sulphides Sodium sulphates Sodium persulphate Sodium thiosulphate
4	Oleum is	Castor oil Oil of vitriol Fuming of H<sub>2</sub>SO<sub>4</sub> None of them
5	The number of unpaired electrons in the P-subshell of oxygen atom	1 2 3 4

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