Teaching EMRS TGT Mock Test 2023 General Science Chemistry Basic Concepts of Chemistry

‘x’ moles of ozone are required to oxidise 1 mole of lead sulphide. ‘y’ moles of O2 are evolved in this reaction. The mass ratio of x and y is:

1
4 ∶ 3
2
2 ∶ 3
3
3 ∶ 2
4
1 ∶ 1
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