Chemistry Acid rain' is caused due to air - pollution by Methane Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide Methane Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a crackling sound There is no reaction. There is a violent explosion. The paper ignites There is a crackling sound There is no reaction. There is a violent explosion. The paper ignites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, It will change into diamond Residue will be left It will not burn No residue will be left It will change into diamond Residue will be left It will not burn No residue will be left ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main compound of voter ink? Silver Chloride Ammonium Chloride Ammonium Nitrate Silver nitrate Silver Chloride Ammonium Chloride Ammonium Nitrate Silver nitrate ANSWER DOWNLOAD EXAMIANS APP