Chemistry PH scale ranges from None 0 – 14 8 – 14 0 – 7 None 0 – 14 8 – 14 0 – 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Methane None of these Sulphur dioxide Carbon dioxide Methane None of these Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as Carcinogens Asthematic agents Allergens None of these Carcinogens Asthematic agents Allergens None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Neon Hydrogen Argon Helium Neon Hydrogen Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Lactic acid Oxalic acid Sulphuric acid Citric acid Lactic acid Oxalic acid Sulphuric acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
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