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Everyday Science MCQs — Test 90

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Question 1
Which of the elements show passivity when treated with conc. HNO3?
Question 2
The gas which cannot be dried by conc. H2SO4 ?
Question 3
FeSO4 forms brown ring with________________?
Question 4
Oxygen does not react with all except_________________?
Question 5
In which compound nitrogen has maximum oxidation state____________________?
Question 6
Among the halogens the rare element is________________?
Question 7
Vander Waals forces are stronger in_______________?
Question 8
The most powerful oxidizing agent among the halogens is__________________?
Question 9
Phosphene gas will be produced if phosphorous acid is subjected to___________________?
Question 10
Which one of following is not a property of pure quartz ?