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What is the composition of brass ?
College School Exams Tests, MAHINDRA, Micron Electricals, TATA,
19 35568The weight of H2O2 which will give on decomposition 5-6 litres of O2 at NTP is (1) 17 g (2) 8.5 g (3) 34 g (4) 56 g
1 3269Which of the following minerals dominates the composition of the Earth?s crust? 1 Quartz 2 Mica 3 Feldspars 4 Limestone
1 3199The largest proportion of the composition of the earth is of 1 Oxygen 2 Silicon 3 Magnesium 4 Iron
1 3676Which gas is produced after the decomposition of organic matter in the absence of oxygen? (1) Carbon dioxide (2) Nitrogen (3) Sulphur dioxide (4) Methane
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