SSC (English Medium) इयत्ता १० वी - Maharashtra State Board Question Bank Solutions

If Cu, Fe, Zn, Al elements are arranged in increasing order of their reactivity then the correct order would be which of the following?

Aluminium oxide is _______ oxide.

Atomic number of aluminium is _______ and its electronic configuration is _______.

Extraction of moderately reactive elements is done by _______ and _______ method.

_______ is the least reactive metal.

Fleming's left hand rule : electric current : : Fleming's right hand rule : _______

Nearsightedness: elongated eyeball : : farsightedness: _______

Nearsightedness : concave lens : : farsightedness : _______

In Electrolytic reduction of alumina, Anode : _______ : : Cathode : Graphite lining

Sulphide ores : Roasting : : Carbonate ores : _______

Zinc sulphide : Roasting : : zinc carbonate : _______

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 Fleming’s right hand thumb rule with the help of diagram.

Write the two names in the following diagram.

Right hand thumb rule.

Write the two names in the following diagram.

Fleming’s right hand rule.

Write the name.

The molecular formula of main ore of aluminium –

Write the name.

Metals which are amphoteric in nature.

Write the name.

The process of strong heating of carbonate ores in insufficient air–