Chemistry Which of the following is used for refrigeration? Sulphur dioxide Chlorine Freon Phosphine Sulphur dioxide Chlorine Freon Phosphine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Absorbent Adsorbent Solvent Coagulant Absorbent Adsorbent Solvent Coagulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. A is false but R is true A is true but R is false Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A A is false but R is true A is true but R is false Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–5 – 10–7cm 10–2 – 10–4 cm 10–1 – 10–2 cm 10–8 – 10–10cm 10–5 – 10–7cm 10–2 – 10–4 cm 10–1 – 10–2 cm 10–8 – 10–10cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Light Oxygen Catalyst Heat Light Oxygen Catalyst Heat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Manganese Calcium Magnesium None of these Manganese Calcium Magnesium ANSWER DOWNLOAD EXAMIANS APP
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