Chemistry In vulcanisation process, rubber can be hardened by adding Nitrogen Silicon Alcohol Sulphur Nitrogen Silicon Alcohol Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? Chlorofluorocarbons CO2 CH4 N2O Chlorofluorocarbons CO2 CH4 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium salt of benzoic acid Acetic acid Sodium carbonate Tartaric acid Sodium salt of benzoic acid Acetic acid Sodium carbonate Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Tin Coal Platinum Lead Tin Coal Platinum Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–5 – 10–7cm 10–2 – 10–4 cm 10–8 – 10–10cm 10–1 – 10–2 cm 10–5 – 10–7cm 10–2 – 10–4 cm 10–8 – 10–10cm 10–1 – 10–2 cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? CFC emission Methane emission Carbondioxide emission Deforstation CFC emission Methane emission Carbondioxide emission Deforstation ANSWER DOWNLOAD EXAMIANS APP