Chemistry CNG used in automobiles to check pollution, mainly consists of N2 CO2 H2 CH4 N2 CO2 H2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Carbon dioxide Carbon monoxide Nitrous oxide Sulphur dioxide Carbon dioxide Carbon monoxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the combination of CO and H2 CO and H2O CO2and H2 CO2 and CO CO and H2 CO and H2O CO2and H2 CO2 and CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Carbon-14 Radium Phosphorus-31 Tritium Carbon-14 Radium Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Limestone and clay Clay and graphite Limestone and graphite Chalk and graphite Limestone and clay Clay and graphite Limestone and graphite Chalk and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Increases Decreases Does not change May either increase or decrease depending on the process used Increases Decreases Does not change May either increase or decrease depending on the process used ANSWER DOWNLOAD EXAMIANS APP
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