Chemistry - Mock Test 49

Question 481

Ethyl amine reacts with chloroform and potassium hydroxide to produce?

A) Ethyl chloride B) Ethyl isocyanides C) Ethyl cyanide D) Ethyl alcohol

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Question 482

The Baeyer 's reagent is?

A) Alkaline KMnO4 solution B) Acidic KMnO4 solution C) Neutral KMnO4 solution D) Saturated KMnO4 solution

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Question 483

Evaporation of water is?

A) Endothermic change B) Exothermic change C) No heat change takes place D) Chemical reaction

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Question 484

By passing a beam of light through a colloidal solution, it is?

A) Refracted B) Absorbed C) Scattered D) Reflected

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Question 485

Isotonic solutions have?

A) Same vapour pressure B) Same temperature C) Same osmotic pressure D) Same freezing point

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Question 486

Zeeman effect explains splitting of lines in?

A) Magnetic field B) Electric field C) Both of these D) None of these

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Question 487

Solder is?

A) Pb + Sn B) Pb + Zn C) Sn + Fe D) Zn + Sn

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Question 488

Butter is?

A) Water dispersed in oil B) Fat dispersed in water C) Fat dispersed in milk D) Water dispersed in fat

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Question 489

Acetaldehyde and benzaldehyde can be distinguished by?

A) Schiff's solution B) Fehling's solution C) Tollen's reagent D) Hydrogen cyanide

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Question 490

Soaps can be classified as?

A) Esters B) Salts of fatty acids C) Alcohols D) Phenols

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