Questions

Indian Navy’s survey vessel INS Sarvekshak has become the India’s first warship to install solar power system on board. The solar power system works on sunlight and hence is 100% per cent reliable for power source that can be used for communication equipment, battery charging and general lightings onboard round the clock with battery outputs during night. The system is maintenance free.

The place which is designated as 0 degrees longitude is Greenwich, England.

Haryana is poised to become the first state to invite all Twitter and Facebook users to interact with the Chief Minister Manohar Lal and contribute towards further improving various services being provided by different departments.

It returns -1

Milk is not a pure substance since it has so many constituents that can be separated physically.

Compounds are pure substances formed from elements unlike mixtures.

Para-amino salicylic acid (PAS) is used in the treatment of Tuberculosis.

The freezing point of water and melting point is 0 °C or 32 °F. The temperature may be lower if supercooling occurs.