Soaps and Detergents

Q. Why are detergents called soapless soaps?

1. Because they don't they produce lather.
2. Because it is not solid as soap
3. Because it is not used for bathing purpose
4. Because they do not contain chemicals like sodium stearate like in soap.

Q.

Write Answer To The Following Question: Make A List Of Detergents That You Use

Q.

Chile saltpeter contains _____

1. N

2. Cl

3. H

4. C

Q. Which one of the following is an example for soap?

1. $C_2{H}_{5}Na$
2. $C_3{H}_{7}ONa$
3. $C_2{H}_{5}COONa$
4. $C_{17}{H}_{35}COONa$

Q. A cleaning substance made from animal fat or vegetable oil is called ______ .

1. washing liquid
2. detergent
3. bleaching powder
4. soap

Q. detergents are sodium salts of sulphonated long chain alcohols and hydrocarbons.

1. Anionic
2. Cationic
3. Non-ionic

Q.

How is soap related to chemistry?

Q. Which among the following substances is slippery?

1. Lemon
2. Curd
3. Tamarind
4. Soap

Q. What does oil or fat react with to produce soap and glycerine?

1. $N{a}_{2}C{O}_3$
2. $NaOH$
3. $NaCl$
4. $N{a}_{2}O$

Q. A detergent is :

1. cleaning agent
2. drugs
3. soap
4. catalyst

Q. The advantage of detergent over soap is, they are ____________ .

1. cheaper to make
2. biodegradable
3. useful in hard water
4. synthetic

Q.

___ is better than soap for washing clothes in hard water.

Q.

Why have detergent replaced soaps as a washing agent?

Q.

Describe the role of carbon dioxide in the greenhouse effect.

Q.

Detergents give scum with hard water.

1. False

2. True

Q. Hard water contains an excess of calcium and ions.

1. sulphate
2. magnesium
3. chromium
4. potassium

Q. correct order of acidic strength of co2, cuo, cao and h2o

Q.

List three uses of CNG.

Q. Identify the hydrocarbon that is an example of a soap molecule.

1. 

2. 

3. 

4. 

Q. Which of the following is true?

1. Soaps are more effective in hard water than detergents.

2. Detergents are more effective in hard water than soaps.

3. Detergents and soaps are equally effective.

4. The type of water doesn't affect the effectiveness of Detergents or soaps.

Q. Detergents are sodium or potassium salts of long chain __________.

1. aldehydes

2. ketones

3. carboxylic acids

4. sulphonic acids

Q. “There was a sudden and wonderful change in his soul”. What brought about the change in Soapy?

Q.

Soaps and detergents are two types of ___.

Q. Which of the following substances are needed for the preparation of soap?

1. Fats
2. Carbon dioxide
3. Sulphur dioxide
4. Sodium hydroxide

Q. The hardness of water is due to the presence of:

1. Calcium and Magnesium salts

2. Sodium and Magnesium salts

3. Calcium and Sodium salts

4. Sodium salts

Q.

Which of the following pairs are correct?

1. Soap - Ammonium or Sulphonate salts of long chain carboxylic acids,
   Detergent - Sodium or Potassium salts of long-chain carboxylic acids

2. Detergent - Ammonium or Sodium salts of long chain Carboxylic acids,
   ​Soap - Sodium or Sulphonate salts of long-chain Carboxylic acids

3. Detergent - Ammonium or Sulphonate salts of long chain Carboxylic acids,
   ​Soap - Sodium or Potassium salts of long-chain Carboxylic acids

4. Detergents and soaps have the same salts

Q.

Which of the following oxides is neutral?

1. NO₂

2. MgO

3. H₂O

4. CaO

Q. What are the different constituents of petroleum? What are the uses of petroleum products?