Questions

Rocket specialist K. Sivan has been appointed as new Chairman of India's space agency ISRO for a three-year term. He replaces current ISRO Chairman A.S. Kiran Kumar, whose term ends January 14, 2018.

• He is currently Director of Vikram Sarabhai Space Centre in Trivandrum.

• His expertise gave ISRO ability to send 104 satellites in a single mission.

We know that polar substances are soluble in polar solvents and non polar substances are soluble in non-polar solvents only. Here the hydrocarbons are non-polar molecular substances and water is a polar solvent. So water can't dissolve hydrocabons.

Hence, as hydrocarbons are non-polar substances, they are insoluble in water as it is a highly polar solvent. 

Project Management is the application of Knowledge, skills, tools and techniques to project activities to meet project requirements. Project Management is accomplished through the application and integraton of the project management processes of  initiating, planning, executing, monitoring and controlling , closing.

Mohandas Karamchand Gandhi gave the slogan Bharat Chhodo during the Quit India movement.

It is a phenomenon in virtual memory schemes when the processor spends most of its time swapping pages, rather than executing instructions. This is due to an inordinate number of page faults.