Q121
Open questionCathode rays are a beam of
Select an option to see the answer and solution.
Chemistry GK · all questionsOrganic Chemistry
Organic Chemistry
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
256
Questions
7/13
Page
Pick an option on a question to see the right answer and solution.
Q122
Open questionOne of the IUPAC names that is different given below. Select one of the names.
Select an option to see the answer and solution.
Q123
Open questionThe example of the fermentation is
Select an option to see the answer and solution.
Q124
Open questionFill in the blank with the most appropriate option.
Denaturation of ethanol is done for . . . . . . . .
Denaturation of ethanol is done for . . . . . . . .
Select an option to see the answer and solution.
Q125
Open questionThe common name for athenoic acid is . . . . . . . .
Select an option to see the answer and solution.
Q126
Open questionWhich of the following is used in the preparation of tincture iodine, cough syrup and many tonics?
Select an option to see the answer and solution.
Q127
Open questionAssertion (A) The main constituent of the liquid petroleum gas in methane,
Reason (R) Methane can be used directly for burning in homes and factories where it can be supplied through pipelines.
Reason (R) Methane can be used directly for burning in homes and factories where it can be supplied through pipelines.
Select an option to see the answer and solution.
Q128
Open questionWhat is the molecular formula of chloroform?
Select an option to see the answer and solution.
Q129
Open questionWhich of the following acids is in sour milk?
Select an option to see the answer and solution.
Q130
Open questionAromatic compounds are
Select an option to see the answer and solution.
Q131
Open questionSoft drinks include:
Select an option to see the answer and solution.
Q132
Open questionMatch the following columns.
| Column I | Column II |
| a. Vodka | 1. Apples |
| b. Brandy | 2. Potatoes |
| c. Cidar | 3. Barley |
| d. Whisky | 4. Grapes |
Select an option to see the answer and solution.
Q133
Open questionHow many chain isomers can be formed by butane?
Select an option to see the answer and solution.
Q134
Open questionStudy the following statements.
1. Two immiscible liquids are separated by separating funnel.
2. Latest technique for purification, isolation and separation of organic compounds is chromatography.
3. Oils are purified by steamdistillation.
Which of the statements given above are correct?
1. Two immiscible liquids are separated by separating funnel.
2. Latest technique for purification, isolation and separation of organic compounds is chromatography.
3. Oils are purified by steamdistillation.
Which of the statements given above are correct?
Select an option to see the answer and solution.
Q135
Open questionMatch List-I with List-II and select the correct answer:
| List-I | List-II |
| a. Acetone | 1. Fire extinguisher |
| b. Carbon tetrachloride | 2. Dressing wounds |
| c. Iodoform | 3. Nail polish |
| d. Ester | 4. Fruit essence |
Select an option to see the answer and solution.
Q136
Open questionFind the correct chemical formula of nitromethane.
Select an option to see the answer and solution.
Q137
Open questionWhat is the general formula of alkenes?
Select an option to see the answer and solution.
Q138
Open questionTo prevent from knocking the substance employed in the car engine is
Select an option to see the answer and solution.
Q139
Open questionMatch List-I (Industrial process) with List-II (Industry with which associated) and select the correct answer:
| List-I | List-II |
| a. Cracking | 1. Rubber |
| b. Smelting | 2. Petroleum |
| c. Hydrogenation | 3. Copper |
| d. Vulcanisation | 4. Edible fats |
Select an option to see the answer and solution.
Q140
Open questionWhen phenolphthalein is added to vinegar, the solution becomes . . . . . . . .
Select an option to see the answer and solution.