Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Gun powder Paint Cement Glass Gun powder Paint Cement Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is oxygen hydrogen carbon dioxide nitrogen oxygen hydrogen carbon dioxide nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 3 to 4 per cent 2 to 3 per cent 5 to 6 per cent 4 to 5 per cent 3 to 4 per cent 2 to 3 per cent 5 to 6 per cent 4 to 5 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc carbonate Zinc oxide Zinc sulphate Zinc blende Zinc carbonate Zinc oxide Zinc sulphate Zinc blende ANSWER DOWNLOAD EXAMIANS APP
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