NTPC CBT-2 Chemistry Quiz - 15

Attempt now to get your rank among 2 students!

Question 1:

Potassium permanganate is used to purify water. Which among the following properties of Potassium permanganate helps in this work?

Question 2:

Which of the following is used in soda-acid fire extinguishers?

Question 3:

Packets of potato chips are usually flushed with which one of the following gases to prevent rancidity?

Question 4:

Which of the following statements about the universal indicators is/are true?

1.It is a mixture of several indicators.

2.It shows different colors at different concentrations of hydrogen ions in the solution.

3.It helps to determine the strength of the given acid and base in titration.

Select the correct answer using the code given below :

Question 5:

The most abundant organic bypolymer on the surface of the Earth is:

Question 6:

Which one of the following processes is responsible for the weathering of rocks in a Karst region?

Question 7:

What is the chemical name of chalk?

Question 8:

Which of the following is used to form TNT ?

Question 9:

Which of the following part of the flame is yellow in colour ?

Question 10:

Which one of the following artificial sweeteners have the maximum sweetness ?