Quiz about acid and base

Question 1

Tastes bitter.

Accepted Answer

Bases

Answer

Acids

Answer

Salts

Answer

All

Question 2

Tastes Sour

Accepted Answer

Acids

Answer

Bases

Answer

Salts

Answer

All

Question 3

Electrolyte

Accepted Answer

All

Answer

Acids

Answer

Bases

Answer

Salts

Question 4

Feels slippery.

Accepted Answer

Bases

Answer

Acids

Answer

All

Question 5

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

Accepted Answer

Salt water is neutral

Answer

Salt water is a Base

Answer

Salt water is an Acid

Answer

Salt water is charged

Question 6

All solutions that fall between 0 and 6.9 are

Accepted Answer

Acids

Answer

Bases

Answer

Neutral

Answer

Phytoplankton

Question 7

Which is most acidic?

Accepted Answer

Lemon Juice

Answer

milk

Answer

bleach

Question 8

What is the range of pH values in a basic solution?

Accepted Answer

8-14

Answer

0-6

Answer

7

Answer

0-14

Question 9

The pH of a concentrated acid

Accepted Answer

0

Answer

7

Answer

14

Answer

6

Question 10

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

Accepted Answer

indicator

Answer

inhibitor

Answer

catalyst

Answer

salt

Question 11

BASE + ACID ----> SALT +?

Accepted Answer

water

Answer

oxygen

Answer

hydrogen ion

Answer

hydroxide ion

Question 12

Which of the following is NOT a strong acid?

Accepted Answer

HClO5

Answer

HCl

Answer

H2SO4

Answer

HNO3

Question 13

Acids react with

Accepted Answer

bases to produce salts and water

Answer

water to produce bases and salts

Answer

salts to produce bases and water

Answer

neither bases, salts nor water

Question 14

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

Accepted Answer

base

Answer

acid

Answer

enzyme

Answer

fatty acid

Question 15

Which of the following statements is correct?

Accepted Answer

Red litmus paper turns blue when placed in a base.

Answer

Blue litmus paper turns red when placed in a base.

Answer

Blue litmus paper stays blue when placed in an acid.

Answer

Red litmus paper stays red when placed in a base.

Question 16

WHAT ARE THE PROPERTIES OF ACID ?

Accepted Answer

Acids are corrosive, sour,

Answer

Lemon

Answer

Mint

Answer

tastes bitter

Question 17

Soap is a weak base.  What is true about the taste of bases?

Accepted Answer

they taste bitter

Answer

they taste sour

Answer

they taste sweet

Answer

they taste salty

Question 18

Which of these solutions is an acid?

Accepted Answer

Tomato Soup: pH of 4

Answer

Dish Soap: pH of 12

Answer

Baking Soda: pH of 9

Answer

Drain Cleaner: pH of 14

Question 19

How to neutralise wasp sting

Accepted Answer

vinegar

Answer

baking soda

Answer

Lime water

Answer

Drain cleaner

Question 20

From which point to which point in the pH scale is Base

Accepted Answer

7.1- 14

Answer

0- 6.9

Answer

6.2- 9.1

Answer

12- 14

acid and base

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