Would you be able to check if water is hard by using a detergent? – InterviewSolution

InterviewSolution

1.	Would you be able to check if water is hard by using a detergent?
Answer» Detergent gives lather with hard and soft water both, while a soap gives lather with soft water only. Thus, it not possible to check if water is hard by using a detergent.

Discussion

No Comment Found

Related InterviewSolutions

Give the general formula of 'alkynes'. Identify the alkynes from the following: `CH_(4),C_(2)H_(6),C_(2)H_(2),C_(3)H_(4),C_(2)H_(4)`
Write the structure of ethyl alcohol `(C_(2)H_(5)OH)`.
Vinegar is a solution ofA. 30%-40% acetic acid in alcoholB. 5%-8% acetic acid in alcoholC. 5%-8% acetic acid in waterD. 15%-20% acetic acid in water
Which of the following molecular formula corresponds to ethyl butanoate ester?A. `C_(5)H_(10)O_(2)`B. `C_(6)H_(12)O_(2)`C. `C_(7)H_(14)O_(2)`D. `C_(8)H_(16)O_(2)`
The usual disease caused by the excessiv edrinking of alcohol over a long period of time is :A. diabetesB. cataractC. cirrhosisD. arthritis
Ethanol reacts with sodium and forms two products. These areA. sodium ehanaoate and oxygenB. sodium ethanaoate and hydrogenC. sodium ethoxide and oxygenqD. sodium ethoxide and hydrogen
Ethanol reacts with sodium and forms two products. These areA. sodium ethanoate and hydrogenB. sdium ethanoate and oxygenC. sodium ethaoxide and hydrogenD. sodium ethoxide and oxygen
(a) Write chemcial name and formula of vinegar? (b) Desbribe with a chemical equation what happens when sodium reacts with ethanol.
Ethane with the molecular formula `C_(2)H_(6)` has: (a) 6 covalent bonds (b) 7 convalent bonds (c ) 8 covalent bonds (d) 9 convalent bonds
Graphite is greasy, soft lubricant because itA. has low densityB. has weak forces of attraction between layersC. is greyish-black in colourD. has three dimensional structure.