Chemistry Galena is a mineral of Lead Iron Gold Calcium Lead Iron Gold Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 3 electron 5 electron 8 electron 10 electron 3 electron 5 electron 8 electron 10 electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium None of these Magnesium Manganese Calcium None of these Magnesium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Nitrogen Sulphur Silicon Alcohol Nitrogen Sulphur Silicon Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many atoms of oxygen are in a glucose molecule 3 10 4 6 3 10 4 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene carbon dioxide acetylene ethane ethylene carbon dioxide acetylene ethane ANSWER DOWNLOAD EXAMIANS APP
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