Chemistry The hardest form of carbon is graphite diamond charcoal coke graphite diamond charcoal coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change Electrical change None of these Physical change Electrochemical change Electrical change None of these Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colloids can be purified by Dialysis Condensation Condensation Condensation Dialysis Condensation Condensation Condensation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 electron only 1 proton only 1 neutron only 1 proton + 2 neutron 1 electron only 1 proton only 1 neutron only 1 proton + 2 neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Anthracite Lignite Peat Bituminous Anthracite Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a In a chemical reaction its oxidation number increases An electron acceptor An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron acceptor An electron donor It releases H2 in a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
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