SNC2L Acids

Lemons contain _____ acid.

• vinegar

• citric

• acid

• red

______ is a kind of indicator.

• vinegar

• hydrogen

• blue

• litmus

Acids turn ____ litmus paper red.

• blue

• red

• vinegar

• acid

____ litmus paper does not change colour in acids.

• red

• blue

• vinegar

• hydrochloric acid

When acids wear away metals, ___ is given off.

• vinegar

• dangerous

• hydrogen

• red

Acetic acid is found in household ____.

• vinegar

• dangerous

• hydrochloric acid

• citrus fruit

Your stomach produces ___.

• vinegar

• dangerous

• hydrochloric acid

• litmus paper

All acids contain the element ___.

• hydrogren

• oxygen

• vinegar

• litmus

You should ___ touch or taste an unknown acid.

• always

• never

Some acids are ___ to touch or taste.

• never

• dangerous

• blue

• red