Chemistry The natural resource, known as black gold is Platinum Coal Tin Lead Platinum Coal Tin Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Siderite Galena Magnetite Pyrolusite Siderite Galena Magnetite Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Calcium silicate and calcium aluminate Calcium silicate and calcium ferrate Calcium aluminate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium aluminate Calcium silicate and calcium ferrate Calcium aluminate and calcium ferrate Lime stone and silicon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Ionosphere Troposphere Stratosphere Exosphere Ionosphere Troposphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Rayon Terylene Viscose Cotton Rayon Terylene Viscose Cotton ANSWER DOWNLOAD EXAMIANS APP
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