Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Acceleration Sulphonation Vulcanization Galvanization Acceleration Sulphonation Vulcanization Galvanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, No residue will be left Residue will be left It will change into diamond It will not burn No residue will be left Residue will be left It will change into diamond It will not burn ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared Visible Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Sulphuric acid Carbonic acid Phosphoric acid Boric acid Sulphuric acid Carbonic acid Phosphoric acid Boric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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