SSC (English Medium) इयत्ता १० वी - Maharashtra State Board Question Bank Solutions for Science and Technology 1

Corrosion of silver causes a black layer of _______.

To prevent corrosion of iron and steel _______ method is used.

 _______ forms a green colour in the water.

Stainless steel is an alloy of _______.

When one of the metals in an alloy is mercury the alloy is called _______.

At room temperature ethanol is _______.

Generally _______ is called spirit.

Alternating current : oscillatory :: Direct current : _______

Pressure cooker : Anodizing : : Silver plated spoons : _______

Rusting of iron : Fe₂O₃ : : corrosion of copper : ______

Bronze : _______ : : Stainless steel : Fe + Cr + C

Find the odd one out and give its explanation.

Find the odd one out and give its explanation.

Find the odd one out and give its explanation.

Write the molecular formula of the given compound.

Sodium ethoxide

Write the molecular formula of the given compound.

Ethanol

Match the columns.

Match the columns.

Electropositivity means ______.

Write the name.

The atom having the smallest atomic radius from zero group.