Chemistry What particles move around the nucleus of an atom and are negatively charged? Electrons Protons Neutrons Positrons Electrons Protons Neutrons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Troposphere Ionosphere Stratosphere Exosphere Troposphere Ionosphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Zinc Silver Nickel Copper Zinc Silver Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Oxalic acid Tartaric acid Acetic acid Malic acid Oxalic acid Tartaric acid Acetic acid Malic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Hydrochloric acid Lactic acid Nitric acid Sulphuric acid Hydrochloric acid Lactic acid Nitric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Silicon Nitrogen Calcium Oxygen Silicon Nitrogen Calcium Oxygen ANSWER DOWNLOAD EXAMIANS APP
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