Chemistry Which among the following is found in chlorophyll ? Fe2+ A l3+ Ca2+ Mg2+ Fe2+ A l3+ Ca2+ Mg2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Haematite Siderite Bauxite Magnetite Haematite Siderite Bauxite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Carbonate Sodium Hydroxide Sodium Monoxide Sodium Peroxide Sodium Carbonate Sodium Hydroxide Sodium Monoxide Sodium Peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.25 0.27 0.305 0.18 0.25 0.27 0.305 0.18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commonly used antiseptic 'Dettol' is a mixture of O-cresol + terepineol Phenol + terepineol O-chlorophenoxylenol + terepineol Chloroxylenol + terepineol O-cresol + terepineol Phenol + terepineol O-chlorophenoxylenol + terepineol Chloroxylenol + terepineol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Graphite Bauxite Sulphur Phosphorus Graphite Bauxite Sulphur ANSWER DOWNLOAD EXAMIANS APP
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