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  9. Q4
Question 4

Excess acidity caused by acid rain can be neutralized by adding

  • A.more fertilizers
  • B.acidified soil
  • C.P2O5
  • D.lime
Objective

Question details

Exam body
NDA
Subject
Chemistry
Year
2017/2018
Question no.
#4
Type
Objective
Previous · Q3Two radioactive elements Q and S have a half-life period of 10 hours and 20… Next · Q5 A chemical substance that speed up rate of chemical reaction is called

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