Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon dioxide Nitrous oxide Sulphur dioxide Carbon monoxide Carbon dioxide Nitrous oxide Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Peat Anthracite Lignite Bitumen Peat Anthracite Lignite Bitumen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 3.2 5.6 8.3 6.3 3.2 5.6 8.3 6.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Polystyrene Polyurethane Metallic polysulphides Teflon Polystyrene Polyurethane Metallic polysulphides Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Graphite Coke Carbon black Coal Graphite Coke Carbon black Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Oxalic acid Acetic acid Tartaric acid Malic acid Oxalic acid Acetic acid Tartaric acid Malic acid ANSWER DOWNLOAD EXAMIANS APP