Chemistry Mcqs

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Chemistry Mcqs Chemistry Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.   1. Why is phosphorus kept under water(a) to make it durable(b) to make it wet(c) to save it from catching fire when exposed to dry air(d) […]

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