Chemistry Detergents are Sodium salts of sulphonic acids Sodium salts of fatty acids Sodium salt of benzoic acid None of these Sodium salts of sulphonic acids Sodium salts of fatty acids Sodium salt of benzoic acid None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Fluorine Sulphur Nitrogen Chlorine Fluorine Sulphur Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–2 – 10–4 cm 10–5 – 10–7cm 10–1 – 10–2 cm 10–8 – 10–10cm 10–2 – 10–4 cm 10–5 – 10–7cm 10–1 – 10–2 cm 10–8 – 10–10cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP