Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methyl red Methyl orange Methylene blue Phenolphthaline Methyl red Methyl orange Methylene blue Phenolphthaline ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 314 50 138 88 314 50 138 88 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A purifier for water An analgesic A disinfectant A fertilizer A purifier for water An analgesic A disinfectant A fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites 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. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polypropylene Polyethylene Polyamide Polyester Polypropylene Polyethylene Polyamide Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Nitrous oxide Hydrocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Hydrocarbons Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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