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Acids, Bases, and Indicators

Science, Chemistry

7th Grade

Used 302+ times

Acids, Bases, and Indicators
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a property of ACIDS

tastes sour

has a pH between 8 and 14

feels sticky

reacts with metals

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A students tests a substance using red litmus paper and phenolpthalein. The phenolpthalein stayed colorless while the red litmus paper turned violet. What kind of substance was being studied?

acid solution

base solution

neutral solution

salt solution

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a substance that has a neutral pH?

lemon juice

water

lysol

vinegar

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student is studying a substance that tastes bitter and is slippery to touch. When phenolpthalein is added is turns magenta. What is the student most likely studying?

water (neutral)

lemon juice (acid)

drain cleaner (base)

salt solution (neutral)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a property of a base?

when mixed with an acid it becomes neutralized

slippery to touch

measures 8-14 on the pH scale

reacts with metals

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a substance is found to turn phenolpthalein magenta (pink). Predict what will happen when blue and red litmus paper is placed into the substance.

the blue litmus will stay blue and the red litmus will stay red

the blue litmus will stay blue and the red litmus will turn blue

the blue litmus will turn red and the red litmus will stay red

the blue litmus will turn red and the red litmus will turn blue

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a student measures the pH of a substance using pH paper. It turns a dark blue and is determined to have a pH of 13. Which of the following best describes this substance?

strong base

strong acid

weak base

weak acid

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