Home
Class 11
CHEMISTRY
Hard water is not fit for washing clothe...

Hard water is not fit for washing clothes because

A

it contains `Na_2SO_4` and KCI

B

it gives precipitate with soap

C

it contains impurities

D

it is acidic in nature

Text Solution

Verified by Experts

The correct Answer is:
B
`2RCOONa + Mg^(2+) to underset("Insoluble")((RCOO)_2) Mg+2Na^(o+)`
`2RCOONa + Ca^(2+) to underset("Insoluble")((RCOO)_2) Ca +2Na^(o+)`
Promotional Banner

Similar Questions

Explore conceptually related problems

Water from a river can't be used for washing clothes by soap. So people there are using detergents.Give reason for this and suggest a remedy.

What are detergents? How are they classified? Why are detergents usually preferred to soaps for washing clothes? Give an example of detergents.

Hard water contains ions of

We use soaps and detergents for washing clothes. But in olden days people were using washing soda for that purpose. Can washing soda be used to clean clothes in all types of water. Justify your answer.

Water available in a village contains a lot of dissolved CaCl_2 . Which of the following detergents is not suitable for washing purpose ?

Sulphuric acid has great affinity for water because

In olden days people were using washing soda for washing clothes. Can washing soda be useful to clean clothes in all types of water? Justify your answer.

In olden days people were using washing soda for washing clothes. What is washing soda?