Chemistry When iron rusts, its weight Remains the same Decreases First increases and then decreases Increases Remains the same Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is acetylene ethylene ethane carbon dioxide acetylene ethylene ethane carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Soda powder Bleaching powder Borax powder Alum Soda powder Bleaching powder Borax powder Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Will be doubled Will increase four-fold Will be reduced to half Remains unchanged Will be doubled Will increase four-fold Will be reduced to half Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Ag Na Hg Fe Ag Na Hg Fe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Oxalic acid Sulphuric acid Lactic acid Citric acid Oxalic acid Sulphuric acid Lactic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
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