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Central Board of Secondary Education [CBSE]

Central Board Of Secondary Education [CBSE] — class 10 science paper 2017-18

Address:New Delhi, Delhi

Please refer to the question in which the ph of the salt was given 14 which is used to make tasty pakoras. A higher ph can cause damage to the body and hence it is not fit for eating purposes. The salt would be sodium hydrogen carbonate i. E. Baking soda but it's ph is 9 and the ph of sodium hydroxide is 14 which is used for making soaps. Due to confusion many of the students didn't even attempted the question. Do look into it.
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Paper was very easy but in comprehension the paragraphs were not numbered accordingly as a result there was a confusion regarding synonyms. There was just one line which was to be taken as 4 th paragraph and it was not at all clear. Please take this matter into consideration and provide candidates with required graze marks. As required
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