Chemistry Which of the following is used as a lubricant in heavy machines? Bauxite Sulphur Graphite Phosphorus Bauxite Sulphur Graphite Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen dioxide Nitrous oxide Nitrogen pentoxide Nitric oxide Nitrogen dioxide Nitrous oxide Nitrogen pentoxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Sapphire Ruby Pearl Emerald Sapphire Ruby Pearl Emerald ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Siderite Limonite Magnetite Haematite Siderite Limonite Magnetite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Oxides of nitrogen Polycyclic hydrocarbons Lead Carbon monoxide Oxides of nitrogen Polycyclic hydrocarbons Lead Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They do not dissolve in water They have low melting and boiling points They are not easily combustible They contain mainly carbon and hydrogen They do not dissolve in water They have low melting and boiling points They are not easily combustible They contain mainly carbon and hydrogen ANSWER DOWNLOAD EXAMIANS APP
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