Chemistry Which among the following coal contains 90 per cent of carbon? Anthracite Peat Bitumen Lignite Anthracite Peat Bitumen Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 47000 kJ/kg 14600 kJ/kg 12600 kJ/kg 39400 kJ/kg 47000 kJ/kg 14600 kJ/kg 12600 kJ/kg 39400 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–2 – 10–4 cm 10–5 – 10–7cm 10–8 – 10–10cm 10–1 – 10–2 cm 10–2 – 10–4 cm 10–5 – 10–7cm 10–8 – 10–10cm 10–1 – 10–2 cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Lithium Nitrogen Chlorine Fluorine Lithium Nitrogen Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Nitric acid Sulphuric acid Phosphoric acid Hydrochloric acid Nitric acid Sulphuric acid Phosphoric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Magnesium sulphate Calcium carbonate Sodium chloride Potassium chloride Magnesium sulphate Calcium carbonate Sodium chloride Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
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