Hard water does not lather well with soap because
(A) It contains carbonates of calcium and magnesium
(B) It is highly coloured
(C) It contains suspended impurities
(D) It contains sodium chloride.
Answer Posted / kavita kukreti
It Contains sodium chloride
| Is This Answer Correct ? | 7 Yes | 16 No |
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I know dout sir...gneral knowledge and general awareness it same sir.. 1)how to prepare general awareness in ongc written test ple guid and send sites/books names sir...immediately..
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Sir,I am rajkumar..I can completed b.tech with it branch i can apply for entrance exan ONGC graduation daharadun.In this exam sep 18.Its ok but iknow doubt sir...in this exam 1)general awarness butgeneral awareness and knowlege it same syllabus sir.... and how prepare general awareness ongc exam ....ple guid me sir send email chilukoti.rajkumar@gmail.com.and what books can be prepare tell fast sir..send me... thank you