Acid,Bases and PH Flashcards

1
Q

What is an indicator?

A

A substance that changes from one one color to another .

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2
Q

What is an acid?

A

A proton (H+ ion) donor.An acidic solution contains H+ ions.

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3
Q

what is an alkali?

A

Soluble base e.g.sodium hydroxide.An alkaline solution contains hydroxide(OH-)ions.

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4
Q

What is a base?

A

A proton (H+ Ions) acceptor.

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5
Q
A
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