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Thursday, 19 January 2017

Chemistry MCQs Part 23

chemistry mcqs for test preparation, ecat mcat test preparation
The page about Chemistry MCQs here you will find the all basic and advanced level mcqs. which will help you in test preparation. I have focused on to share basic and advanced level mcqs. the given below mcqs get from different reliable sources. so read carefully and share with other's to help in test preparation.

221. The theory which explains that gases consist of molecules, which are in rapid option known as.
A. Dalton's atomic theory
B. Bohr's theory
C. Rutherford's atomic theory
D. Kinetic molecular theory

222. The law, which states that at constant temperature, the volume of a given mass gas in inversely proportional is pressure, is known as.
A. Boyle's law
B. Charles' law
C. Combine gas law
D/ Avogadro’s law

223. Standard conditions are.
A. O°C and 14.7mm
B. 32°F and 76cm
C. 273°C and 760mm
D. 4°C and 7.6m

224. When a gas is collected over water, the pressure is corrected by:
A. Adding the vapour pressure of water
B. Multiplying the vapour pressure of water
C. Subtracting the vapor pressure of water
D. Subtracting the temperature of water from pressure

225. Graham's law refers to.
A. Boiling point of water
B. Gaseous diffusion
C. Gass compression
D. Volume changes of gasses

226. The state of matter that shows the uniformity of behavior.
A. Solid liquid
B. Liquid
C. Gas
D. None of the above

227. Cooling is caused by.
A. Compression of the gas
B. Expansion of the gas
C. Both A & B
D. None of the above

228. For a given mass of a gas at constant pressure, the volume is directly proportional absolute temperature. This is known as.
A. Boyle's law
B. Charles' law
C. Avogadro's law
D. Gay Lussa’s law

229. General gas equation is a combination of:
A. Boyle's law and Charles law
B. Charles law and Dalton’s law
C. Boyle's law and graham’s law
D. Charles law and Avogadro’s law

230. Absolute zero refers to.
A. O°c
B. -100°c
C. -273°c -
D. -373°c

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