General Science

Q1221.Hydrogen gas can be conveniently used as a fuel for running vehicles if it is absorbed at very low temperature by a substance only to be released at the temperature generated by the exhaust. What is the substance found in India?

Q1222.Match List-I with List-II and select the correct answer using the code given below the lists. List-I (Fuel Gases) (a) CNG (b) LPG (c) Coal gas (d) Water gas List-II (Major Constituents) 1. Carbon monoxide, Hydrogen 2. Butane, Propane 3. Methane 4. Hydrogen, Methane, Carbon monoxide Code (a) (b) (c) (d)

Q1223.Consider the following statements. 1. Liquefied Natural Gas (LNG) is liquefied under extremely cold temperatures and high pressure to facilitate storage or transportation in specially designed vessels. 2. First LNG terminal in India was built in Hassan. 3. Natural Gas Matters (NGM) are separated from LPG and these include ethane, propane, butane and natural gasoline. Which of the statements given above is/are correct?

Q1224.Consider the following statements. 1. Coal, petroleum and natural gas are fossil fuels. 2. Gasohol is mixture of benzene and alcohol. 3. Geothermal energy is nonconventional energy source. 4. Gobar gas contains mainly methane. Of these statements.

Q1225.Consider the following features of newer models of motor cars. 1. Radial tyres 2. Streamlined body 3. Multipoint fuel injection 4. Catalytic converter with exhaust Which of these features make the new models of motor cars more fuel efficient?

Q1226.Which one of the following is used in food preservation?

Q1227.Refrigeration helps in food preservation by

Q1228.Which one of the following substances is used in the preservation of food stuff?

Q1229.For the preservation of fruit juice which of the following is used?

Q1230.Which of the following is a common refrigerant used in the domestic refrigerator?

Q1231.Charcoal which is used in decolouring raw sugar is

Q1232.The main component of honey is

Q1233.Aspartame is an artificial sweetner sold in the market. It consists of amino acids and provides calories like other amino acids. Yet, it is used as a low calorie sweetening agent in food items. What is the basis of this use?

Q1234.Aspirin is obtained from

Q1235.Aspirin is

Q1236.Which one of the following compounds is used as a sedative?

Q1237.Which one of the following forms an irreversible complex with a haemoglobin of the blood?

Q1238.Milk is an example of

Q1239.Which of these is not a colloid?

Q1240.Milk is homogenized by