Preparation of Soap Using Caustic Soda

Q.

The chemicals used in the manufacturing of soap are

1. Caustic soda and sodium silicate

2. Potash alum and vinegar

3. Calcium hydroxide and stone powder

4. Ammonium hydroxide and sodium carbonate

Q.

During the manufacturing of soap, the stone powder and sodium silicate are added for

1. providing it with attractive colour

2. increasing the quantity

3. making it harder

4. increasing the fragrance of soap

Q.

During the manufacturing of soap, the stone powder and sodium silicate are added for:

1. providing it with attractive colour

2. increasing the fragrance of soap

3. making it harder

4. increasing the quantity

Q. While performing an experiment, Alex comes across a substance ‘X’ that feels slippery and tastes bitter. The substance ‘X’ most probably contains: ​

Q.

During the manufacturing of soap, perfumes are added for

1. increasing the quantity

2. fragrance

3. softness

4. attractive colour

Q.

During the manufacturing of soap, dyes are added for

1. softness

2. hardness

3. attractive colour

4. fragrance