Acids and Bases Honors

Assessment

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Deleted User

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Chemistry

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8th - 9th Grade

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42 questions

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Multiple Choice

1 min

1 pt

Feels slippery.

Acids

Bases

neutral

All

Multiple Choice

1 min

1 pt

Tastes bitter.

Acids

Bases

Salts

All

Multiple Choice

1 min

1 pt

Forms hydroxide ions (OH^-) in water

Acids

Bases

All

Multiple Choice

1 min

1 pt

pH less than 7.

Acids

Bases

All

Multiple Choice

1 min

1 pt

pH greater than 7.

Acids

Bases

All

pure water

Multiple Choice

1 min

1 pt

The pH scale is based off of the concentration of _________ ions.

Oxygen

Hydrogen

Nitrogen

None of the others

Multiple Choice

1 min

1 pt

What is a solution that has an excess of hydroxide (OH^-) ions?

pH=6.5

acid

neutral

base

Multiple Choice

1 min

1 pt

An acid/base reaction always produces:

H₂

H₂O

NaCl

H₃O⁺

Multiple Choice

1 min

1 pt

BASE + ACID ----> SALT +?

water

oxygen

hydrogen ion

hydroxide ion

10.

Multiple Choice

1 min

1 pt

An organic substance that changes color in the presence of an acid or base

indicator

inhibitor

catalyst

salt

11.

Multiple Choice

1 min

1 pt

According to the pH range which substance is more acidic than lemon juice

Hydrochloric acid

cabbage

milk

lye

12.

Multiple Choice

1 min

1 pt

Which food is the most acidic?

bananas

lemon juice

orange juice

fish

13.

Multiple Choice

1 min

1 pt

If a solution is basic which ion will be more present?

H+

K+

OH-

H-

14.

Multiple Choice

1 min

1 pt

A solution contains the same number of H+ ions as it contains OH- ions, what will it be?

Acid

Base

Neutral

15.

Multiple Choice

1 min

1 pt

If you are burned with a strong base, what should you use to safely neutralize it

vinegar (pH = 4)

water (pH = 7)

ammonia (pH = 9)

baking soda (pH = 10)

16.

Multiple Choice

1 min

1 pt

This is an image of a.....

strong base

strong acid

weak base

weak acid

17.

Multiple Choice

1 min

1 pt

This is an image of a .....

strong acid

strong base

weak acid

weak base

18.

Multiple Choice

1 min

1 pt

This is an image of....

an acid

a base

a neutral solution

19.

Multiple Choice

1 min

1 pt

The term alkaline represents....

an acid

a neutral solution

a base

20.

Multiple Choice

1 min

1 pt

The pH scale measures...

...the strength of an acid.

...the strength of hydrogen ions.

...the concentration of hydrogen ions.

...the concentration of an acid

21.

Multiple Choice

1 min

1 pt

pH =10

acid

base

neutral

22.

Multiple Choice

1 min

1 pt

A basic solutions pH is

less than 7

greater than 7

between 0-14

23.

Multiple Choice

1 min

1 pt

A solution is considered an acid if it's pH is

equal to 7

less than 7

greater than 7

greater than 14

24.

Multiple Choice

1 min

1 pt

Salt water did not react with the Red or Blue litmus paper. This must mean

Salt water is a Base

Salt water is an Acid

Salt water is neutral

Salt water is charged

25.

Multiple Choice

1 min

1 pt

Changes the color of indicators.

Acids

Bases

All

26.

Multiple Choice

1 min

1 pt

Turns litmus red

Acids

Bases

All

27.

Multiple Choice

1 min

1 pt

Turns litmus blue.

Acids

Bases

Salts

All

28.

Multiple Choice

1 min

1 pt

What is shown here?

a hydronium ion

a hydroxide ion

a water molecule

an acid

29.

Multiple Choice

1 min

1 pt

Acid + Base ₋-->

salt + hydrogen

salt + water

salt + carbon dioxide + water

salt

30.

Multiple Choice

1 min

1 pt

HCl + NaOH →

NaH + ClOH

NaCl + H₂

NaCl + H₂O

NaCl + Cl₂

31.

Multiple Choice

1 min

1 pt

The pH scale measures ____ and ____

acidity and basic

the temperature

how fun a chemistry quiz is

none of the above

32.

Multiple Choice

1 min

1 pt

Ion

A charged particle or atom

Compound formed between a metal and a nonmetal

Any group of compounds that produce H⁺

Any group of compounds that produce OH^-

33.

Multiple Choice

1 min

1 pt

Acid

Any group of compounds that produce H⁺ ions

Any group of compounds that produce OH^- ions

Ionic compound formed between a metal and a nonmetal

A charged particle, atom, or ion

34.

Multiple Choice

1 min

1 pt

Base

Any group of compounds that produce H⁺ ions

Any group of compounds that produce OH^- ions

Ionic compound formed from a metal and a nonmetal

A charged particle, atom, or ion

35.

Multiple Choice

1 min

1 pt

Concentration

The reaction between an acid and a base which produces salt and water

Compound formed by a metal and a nonmetal

The amount of solute per unit of solution

Liquid indicator that changes pink in the presence of a base

36.

Multiple Choice

1 min

1 pt

Indicator

Liquid indicator that changes pink in the presence of a base

A type of paper used to indicate the presence of acids and bases

a chemical that changes color in the presence of acids and changes a different color in the presence of bases

the amount of solute dissolved in solution

37.

Multiple Choice

1 min

1 pt

Litmus Paper

Liquid indicator that changes pink in the presence of a base

A type of paper used to indicate the presence of acids and bases

a chemical that changes color in the presence of acids and changes a different color in the presence of bases

the amount of solute dissolved in solution

38.

Multiple Choice

1 min

1 pt

Neutralization

Compound formed by a metal and a nonmetal

The reaction between an acid and a base which produces a salt and water

A chemical whose color changes in the presence of acids and bases

To decrease the amount of solute as compared to the amount of solvent in a solution

39.

Multiple Choice

20 sec

1 pt

Which of the following is an acid?

Ammonia

Drain cleaner

Shampoo

Orange

40.

Multiple Choice

45 sec

1 pt

Which of the following statements is true concerning acids and bases?

acids and bases don't react with each other

acids mixed with bases neutralize each other

acids mixed with bases make stronger bases

acids mixed with bases make stronger acids

41.

Multiple Choice

45 sec

1 pt

Which is the correct set of acid properties, as described by Boyle:

sour taste, corrosive, change litmus from red to blue

sour taste, corrosive, change litmus from blue to red

sweet taste, slippery, change litmus from blue to red

sour taste, slippery, change litmus from blue to red

42.

Multiple Choice

3 mins

1 pt

What is the approximate pH of seawater?

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