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Observe the following table carefully . ...

Observe the following table carefully .
`{:("Test tube","Hard water","Soap"//"detergent is added","Observation (After shaking 5 min)"),(P,10 m,"Soap (5 drops)","White curd like scum is formed"),(Q,15 ml,"Detergent(5 drops)","White curd like scum is formed"),(R,8 m,"Soap (5 drops)","Lot of leather is formed"),(S,12 m,"Detergent (15 drops)","Lot of leather is formed"):}`
Which test - tube give correct result among these ?

A

P & Q

B

Q & R

C

P & S

D

R & S

Text Solution

Verified by Experts

The correct Answer is:
C
Hard water does not give leather with soap it forms white scum. Detergent can form leather even in hard water .
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