Most liquids that conduct electricity are solutions of acids, bases and ...........

• Copper

• Aluminium

• Salts

• Iron

Which base is present in milk of magnesia?

• Magnesium hydroxide

• Ammonium hydroxide

• Sodium hydroxide

• Calcium hydroxide

What is the process of rust forming on iron called?

• Rusting

• Crystallisation

• Shovel

• Spade

Which base is present in soap?

• Sodium hydroxide

• Silicon dioxide

• Calcium hydroxide

• Ammonium hydroxide

135.

Which base is present in lime water?

• Sodium hydroxide

• Magnesium hydroxide

• Calcium hydroxide

• Ammonium hydroxide

Metals react with sodium hydroxide to produce ................

• oxygen gas

• sodium

• water

• hydrogen gas

Magnesium (Mg) + Oxygen (O₂) = ?

• Mg₂O

• MgO₄

• O₂Mg

• MgO

What is the reaction between an acid and a base called?

• Desalination

• Crystallisation

• Neutralisation

• Sublimation

Who discovered Proton?

• Ernest Rutherford

• Friedrich Miescher

• Henri Becquerel

• Henry Cavendish

In an acid-base reaction which product is produced along with a salt?

• Hydrogen gas

• Oxygen gas

• Carbon dioxide

• Water