Chemistry, asked by balajisalasar52, 9 months ago

class 10 chemistry question

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Answered by 40707

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Pls mark it brainliest

Answer:

17. Option [d]

Calcium carbonate, hydrogen

18. Option [b]

Decrease

19. Option [b]

No H3O+ ions................................

20. Option [b]

Bee sting contains an acid called formic acid. It gets neutralized with CaO

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