General Science Brass gets discoloured in air because of the presence of which of the following gases in air? Nitrogen None of the listed here Hydrogen Sulphide Oxygen Nitrogen None of the listed here Hydrogen Sulphide Oxygen ANSWER DOWNLOAD EXAMIANS APP
General Science Chemical formula for water is NaA1O2 CaSiO3 H2O None of the listed here NaA1O2 CaSiO3 H2O None of the listed here ANSWER DOWNLOAD EXAMIANS APP
General Science A chronometer measures: Time Water waves Sound waves Colour contrast Time Water waves Sound waves Colour contrast ANSWER DOWNLOAD EXAMIANS APP
General Science Potassium Permanganate is used for purifying drinking water, because It is an oxidising agent. It is a sterilising agent. None of the listed here It is a reducing agent It is an oxidising agent. It is a sterilising agent. None of the listed here It is a reducing agent ANSWER DOWNLOAD EXAMIANS APP
General Science The group of metals Fe, Co, Ni may best called as Transition metals Main group metals Rare metals Alkali metals Transition metals Main group metals Rare metals Alkali metals ANSWER DOWNLOAD EXAMIANS APP
General Science What is laughing gas? Carbon monoxide Sulphur dioxide Nitrous Oxide Hydrogen peroxide Carbon monoxide Sulphur dioxide Nitrous Oxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
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