Nature of Acids and Bases

If a base dissolves in water by what name is it better known?

Name the acid present in vinegar. (Citric acid/Acetic acid)

Water insoluble bases such as $\mathrm{CaO}, \mathrm{ZnO}$, etc. are known as _____. (alkalis / non-alkalis)

The diagram of the apparatus given to show that the acid solution in water conducts electricity.

Identify the names of C and D from the given diagram:

Identify the good conductor of electricity.

Which of the following source of light can be used as a tester if the electric current is very weak?

The presence of natural _____ in the water makes it a good conductor of electricity.

Identify the material which is a poor conductor of electricity.

Bases that are soluble in water are called as _____.

Sort the acid, alkali and salt from the following:

(a) Lemon juice.

(b) Caustic soda.

(c) Slaked lime.

(d) Calcium Sulphate.

(e) Vinegar.

(f) Zinc Oxide.

(g) Salt.

(h) tamarind juice.

(i) Magnesium chloride.

The taste of acid is sour.

What is indicator? Give the names of any two indicators and what is the effect of acids and bases on them.

What is acid?

Metal ashes dissolve in water to form _____. (Base/Acid)

The taste of base is _____. (Sweet/Bitter)

Acids turn blue litmus paper to _____ .

Which one is the strongest acid amongst these - 

Identify the hydronium ion among the following.

Name a tribasic Arrhenius acid.

Fill in the blank by using the correct words/terms given in the brackets.
A water-soluble base produces _____ ions in solution. (Hydrogen/Hydroxyl)