General Science

Q2001.Which one of the following catalysts is used in hydrogenation of vegetable oils?

Q2002.The device used for converting alternating current to direct current is called

Q2003.A means of specifying location of data in memory is called

Q2004.Permanent hardness of water is due to

Q2005.Alternating current is converted to direct current

Q2006.CD ROM stands for

Q2007.The pH value for water is

Q2008.Which of the following option represents the consumption of power in ascending order?

Q2009.In computer terminology, RAM stands for

Q2010.Which is the purest form of water?

Q2011.The Earth’s magnetic field is due to

Q2012.A name for the short term memory of the computer that is lost when the computer is turned off

Q2013.Water is a good solvent of ionic salts because

Q2014.Nickel-Cadmium (Ni-Cd) battery is used in

Q2015.Which of the following is an extremely fast, small memory between CPU and main memory?

Q2016.Large quantities of drinking water is prepared from impure water by

Q2017.Electricity consumption bill is based on the measurement of 1. Watt 2. Voltage 3. Ohm 4. Ampere Select your answer of the following codes.

Q2018.Which of the following is not an output device?

Q2019.Which gas is used in the purification of drinking water?

Q2020.Consider the following statements regarding a motor car battery. 1. The voltage is usually 12V. 2. Electrolyte used is hydrochloric acid. 3. Electrodes are lead and copper. 4. Capacity is expressed in ampere-hour. Which of the above statements are correct?