Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Lime Kerosene Petrol Oxalic acid solution Lime Kerosene Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Domestic sewage Paints Acid Plants Wood burning Domestic sewage Paints Acid Plants Wood burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons and protons Neutrons Protons Electrons Neutrons and protons Neutrons Protons Electrons 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 reduced to half Will increase four-fold Remains unchanged Will be doubled Will be reduced to half Will increase four-fold Remains unchanged Will be doubled ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Hydrogen Carbon and Oxygen Carbon and Sulphur Carbon and Nitrogen Carbon and Hydrogen Carbon and Oxygen Carbon and Sulphur Carbon and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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