Choose the correct option for the blank.
Devika went to investigate _____________ of a beggar.
In the guise
On pretence
Over the moon
Through thick and thin
Devika went to investigate in the guise of a beggar.
Choose the correct option for the blanks.
The lifeguard threw a _______ to save the drowning _________.
Read the given statements and choose the correct option i) Electrolytic cell is a device which converts electrical energy into a chemical energy by a process of electrolysis.
ii) Electrochemical cell is a device which converts a chemical energy into electrical energy through a redox reaction.