Polyethyleneglycols are used in the preparation of which type of detergents?

1. Cationic detergents

2. Anionic detergents

3. Nonionic detergents

4.  Soaps

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 79%
From NCERT
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A molecule that cannot act as a target for drug function in the body is:

1. Carbohydrates

2. Lipids

3. Vitamins

4. Proteins

Subtopic:  Classification of Medicines |
 82%
From NCERT
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The incorrect statement among the following regarding enzyme inhibitors is:

1. They inhibit the catalytic activity of the enzyme.
2. They prevent the binding of substrate.
3. Generally, a strong covalent bond is formed between an inhibitor and an enzyme.
4. Inhibitors can be competitive or non-competitive.

Subtopic:  Classification of Medicines |
 68%
From NCERT
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Which of the following chemicals can be added for sweetening of food
items at cooking temperature and does not provide calories?

1.  Sucrose

2.  Glucose

3.  Aspartame

4.  Sucralose

Subtopic:  Food - Preservatives, Artificial Sweeteners & Antioxidants |
 79%
From NCERT
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Which of the following will not enhance the nutritional value of food?

1. Minerals

2. Artificial sweeteners

3. Vitamins

4. Amino acids

Subtopic:  Food - Preservatives, Artificial Sweeteners & Antioxidants |
 85%
From NCERT
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Match the medicines given in Column I with their uses given in Column II

Column I Column II
A Ranitidine  1. Tranquilizer             
B Furacine  2. Antibiotic 
C Phenelzine                3. Antihistamine
D Chloramphenicol 4. Antiseptic              
5. Antifertility drug

               

Codes 

Options:   A    B    C    D  
1. 2 3 4 1
2. 3 4 1 2
3. 5 4 3 2
4. 4 3 2 1

 

Subtopic:  Classification of Medicines |
 88%
From NCERT
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Match the soaps given in Column I with items given in column II.

       Column I                  Column II

A. Soap chips         1. Dried miniature soap bubbles

B. Soap granules    2. Small broken pieces of soap formed from melted soaps

C. Soap powder      3. Soap powder + abrasives+builders (Na2CO3, Na3PO4)

D. Scouring soap    4. Soap powder + builders like Na2CO3, and Na3PO4

Codes

          A         B          C           D

1.       2          1           3           4

2.       3          1           5           2

3.       5          4           3           2

4.       4          3           2           1

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 73%
From NCERT
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Match structures are given in Column I with the type of detergents given in Column II.

Column I

Column II

A. CH3CH216COOCH2CH2On CH2CH2OH

1. Cationic detergent

B. C17H35COO-Na+

2. Anionic detergent

C. CH3 - CH210CH2SO3-Na+

3. Nonionic detergent

D.                           CH3
                            |
CH3CH215 - N - CH3
                            |
                          CH3+ Br-

4. Soap

Codes

Options:   A    B    C    D  
1. 3 4 1
2. 4 2 1
3. 5 4 3 2
4. 4 3 2 1

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 81%
From NCERT
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Match the detergents given in Column I with their uses in Column II.

Column I

Column II

A.                          CH3
                            |
CH3CH215 - N - CH3
                            |
                          CH3+ Br-

1. Dishwashing powder

B.

2. Laundry soap

C. C17H35COO-Na+ + Na2CO3 + Rosin

3. Hair conditioners

D. CH3CH216COOCH2CH2On CH2CH3OH

4. Toothpaste

Codes

Options:   A    B    C    D  
1. 2 3 4 1
2. 3 4 2 1
3. 2 4 3 1
4. 4 3 2 1

 

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 73%
From NCERT
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Match the class of compounds given in Column I with their functions given in Column II.

Column I Column II
A. Antagonists 1. Communicate messages between two neurons and that between neurons to muscles.
B. Agonists 2. Bind to the receptor site and inhibit its natural function.
C. Chemical messenger 3. Crucial to the body's communication process.
D. Receptors 4. Mimic is the natural messenger.

Codes

A B C D
1. 2 4 1 3
2. 3 1 4 2
3. 1 4 3 2
4. 4 3 2 1
Subtopic:  Classification of Medicines |
 77%
From NCERT
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