Acids, Bases and Salts

What are the substances used to test whether another substance is acidic or basic in nature?

• Spoon

• Bases

• Acids

• Indicators

Choose all the substances that are acids.

• Ant's Sting

• Window Cleaner

• Tamarind

• Curd

Which one of these is an indicator?

• Litmus Paper

• Orange Juice

• Shampoo

• Lotion

What type of acid helps us digest our food everyday?

• Tartaric Acid

• Acidic Acid

• Hydrochloric Acid

• Lactic Acid?

Choose all the Bases in the given choices:

• Calcium Hydroxide

• Oxalic Acid

• Pottasium Hydrodixe

• Ascorbic Acid

Fill in the blank.

___________ turn Blue Litmus into Red.

_________ turns Red Litmus blue.

Choose all of the following that can be used as indicators.

• Litmus Paper

• Coffee Powder

• Hibiscus (China Rose)

• Turmeric

Taste of acid is

• Bitter

• Soupy

• Sour

• Sweet

Which among of these is a natural indicator

• Mango leaf

• China rose

• Mint

• All of them