EASY
RRB Group D CBT
IMPORTANT
Earn 100

Which one of the following is the correct sequence in the increasing order of molecular weights of the hydrocarbons?

50% studentsanswered this correctly

Important Questions on Organic Chemistry

MEDIUM
RRB Group D CBT
IMPORTANT

Consider the following chemicals:

1. Benzene

2. Carbon tetrachloride

3. Sodium carbonate

4. Trichloroethylene

Which of the above is/are used as dry cleaning chemicals?

HARD
RRB Group D CBT
IMPORTANT

Consider the following statements:
1. The trade names of benzene hexachloride (BHC) are Lindane and Gammexane.
2. Gammexane is used as a pesticide in agriculture.

Which of the statement(s) given above is/are correct? Select the correct answer using the codes below.

HARD
RRB Group D CBT
IMPORTANT
Which of the following statement(s) is/are true?
HARD
RRB Group D CBT
IMPORTANT

Consider the following statements regarding rocket fuel.

1. Liquid propellants are alcohol, liquid hydrogen, kerosene etc.

2. Hybrid propellant consists of solid fuel.

Which of the statement(s) given above is/are incorrect?

EASY
RRB Group D CBT
IMPORTANT

Which of the following is correct?

1. Full form of CNG is compressed natural gas.

2. Full form of LPG is liquefied petroleum gas.

Choose the correct option.

HARD
RRB Group D CBT
IMPORTANT

Consider the following statements regarding biocatalysts,
1. Biocatalysts are enzyme.
2. All proteins are biocatalysts.
3. Biocatalysts are minerals.

Which of the statement(s) given above is/are correct?

HARD
RRB Group D CBT
IMPORTANT

Consider the following statements:
1. Ethyl acetic acid is a colourless neutral liquid with a characteristic fruity odour.
2. Urea is the final decomposition product of proteins and occurs in urine.

Which of the statement(s) given above is/are correct? Select the correct answer using the codes below.

HARD
RRB Group D CBT
IMPORTANT

Consider the following statements,

1. Wood, coal and charcoal are solid fuels.

2. Methane, butane and hydrogen are gaseous fuels.

3. Kerosene, petrol and ethyl alcohol are liquid fuels.

Which of the following fuel has maximum calorific value?