Which of the following greenhouse gases has the greatest heat-trapping ability?

• Chlorofluoro carbon

• Methane

• Carbon dioxide

• Nitrous oxide

Which State of India is leading in solar energy generation?

• Gujarat

• Rajasthan

• Haryana

• Uttar Pradesh

Diamond does not conduct electricity, because

• It's structure is very compact

• It is of crystalline nature

• There are only carbon atoms present in

• No free electrons are present in it

Ganga is a result of confluence of rivers Bhagirathi and Alakananda at which place?

• Dev Prayag

• Karan Prayag

• Gangotri

• Rudra Prayag

What are Aldehydes?

• Mild oxidising agents

• Strong oxidising agents

• Strong reducing agents

• Mild reducing agents