Examine the four jumbled sentences. Out of the given options, pick the one that gives their correct order.

A. They produce lather due to the presence of calcium salts in water.

B. Now a days the place of soap has been occupied by a new range of chemicals, called  detergents.

C. So, they are called soapless soap.

D. Actually, Detergents are not soap because they are not sodium or potassium derivatives of fatty acids, as normal soap is.

BACD

The correct answer is Option (1) - BACD

The correct order should be:

B. Now a days the place of soap has been occupied by a new range of chemicals, called detergents. (This introduces the topic)

A. They produce lather due to the presence of calcium salts in water. (This might be a true statement about detergents, but it's not directly related to the previous points)

C. So, they are called soapless soap. (This is a consequence of point 2, highlighting the distinction)

D. Actually, Detergents are not soap because they are not sodium or potassium derivatives of fatty acids, as normal soap is. (This explains why detergents are not soap)

Therefore, the most logical order is: BACD