Chemistry Which of these acids is not organic in origin? Oxalic acid Citric acid Sulphuric acid Lactic acid Oxalic acid Citric acid Sulphuric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Chlorine Hydrogen Oxygen Nitrogen Chlorine Hydrogen Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same or opposite spin Same spin No spin Opposite spin Same or opposite spin Same spin No spin Opposite spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethane acetylene ethylene carbon dioxide ethane acetylene ethylene carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Acid rain Oil spill Radioactive waste Carbon dioxide Acid rain Oil spill Radioactive waste Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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