NDA CHEMISTRY QUIZ - 4

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Question 1:

DIRECTIONS: Read the following two statements and choose the correct answer. 

Statement -1 o-Nitrophenol and p-Nitrophenol can be separated by steam distillation .

Statement -2 o-Nitrophenol is a steam non -volatile compound and p-nitrophenol is a steam volatile compound .

Question 2:

Which of the following separation method is used in diagnostic laboratories for blood and urine tests?

Question 3:

Vacuum distillation is used to separate substances 

Question 4:

Which of the following method is used to obtain pure Hydrogen Peroxide ?

Question 5:

Which of the following statement is true ?

Question 6:

Fuel used in heavy motor vehicles, electric generators are separated from crude oil by-

Question 7:

Which of the following method is used for the separation of alum crystals from impure samples ?

Question 8:

DIRECTIONS: Read the following two statements and choose the correct answer. 

Statement -1 Atmolysis is used for the separation of isotopes .

Statement -1 Atmolysis is based on the same rate of diffusion.

Question 9:

Match List I with List II

List I

List II

1. Separating camphor from mixture  

A: Steam distillation 

2. Purification of turpentine oil

B: Evaporation

3. Separating Drugs from blood

C: Sublimation 

4. Separating coloured component from the ink

D: Chromatography 

Question 10:

Which of the following option is correct for the separation of components from the mixture of Salt, ammonium chloride, and water?