Acids and Bases - 01

Front

Which of the following statements is correct?

• Blue litmus paper turns red when placed in a base.
• Red litmus paper turns blue when placed in a base.
• Blue litmus paper stays blue when placed in an acid.
• Red litmus paper stays red when placed in a base.

Back

Red litmus paper turns blue when placed in a base.

Front

Which of the following is an acid? Options: shampoo, baking soda, orange juice, water

Back

orange juice

Front

What tastes bitter? Options: Acids, Bases, Salts, All

Back

Bases

Front

What is true about the taste of bases?

Back

they taste bitter

Front

When dissolved in water, bases produce:

Back

hydroxide ions

Front

Litmus paper can tell you if a solution is acidic, neutral or basic by changing color when placed in a solution. If you test a base with litmus paper, it will turn ____________. Options: purple, red, blue, pink

Back

blue

Front

When dissolved in water, acids produce:

Back

hydrogen ions

Front

Any substance that produces hydroxide ions in water is known as _____________.

Back

a base

Front

Which of the following is most likely to be basic: Lemon juice, Vinegar, Laundry detergent, Coke

Back

Laundry detergent

Front

What tastes sour?

Back

Acids