Chemistry Which of the following elements is not present in stainless steel? Iron Chromium Tungsten Nickel Iron Chromium Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Washing soda Baking soda Soda ash Bleaching powder Washing soda Baking soda Soda ash Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Air Methane Hydrogen Carbon monoxide Air Methane Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 3.2 5.6 6.3 8.3 3.2 5.6 6.3 8.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Nitrogen Helium Carbon dioxide Sulphur dioxide Nitrogen Helium Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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