Chemistry Which of the following is not a noble gas ? Hydrogen Helium Neon Argon Hydrogen Helium Neon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Smelting Roasting Calcination Refining Smelting Roasting Calcination Refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Coal Biomass Lignite Petroleum Coal Biomass Lignite Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because It absorbs the dirt It reduces the surface tension of solution It gives strength to solution Soap acts like catalyst It absorbs the dirt It reduces the surface tension of solution It gives strength to solution Soap acts like catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon dioxide Carbon monoxide Oxides of sulphur Oxides of nitrogen Carbon dioxide Carbon monoxide Oxides of sulphur Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Camphor Charcoal Diesel Coal-tar Camphor Charcoal Diesel Coal-tar ANSWER DOWNLOAD EXAMIANS APP
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