please i want answers right now i dont want any other answers except this questions
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Explanation:
Question 1 :
i) Acid : C and D
Base : B, E, F and G
Neutral : A
ii) Strong acid : C
Weak acid : D
iii) Phenolphthalein is naturally colourless but it turns Pink when treated with alkaline.
So if we treat it substance with ph 7 it will turns pink.
iv) If reaction takes place between substance B(base) and C(acid) (neutralization reaction) salt(acidic) and water will form.
Question 2 : MCQs
1. C) H2SO4
Reason : H2SO4 is a strong acid and ㅤㅤacidic solution turns blue litmus red
2. D) NaOH
Reason : Substance with more than 7 ㅤㅤPh is basic and Sodium hydroxide ㅤㅤ(NaOH) is base
3. B) Base
Example of given reaction:
CO2 + NaOH ---- Na2CO3 + H2O
4. B) CaSO4.2H2O
5. B) Ph of rain< 5.6
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