Basic-Science-Objective Related Question Answers
301. In whole body mass the percentsge of blood is?
9%
302. Pace maker is related with?
Heart
303. Red litmus paper is changed into blue in solution of?
Base
304. In neutralisation reaction product is?
Salt & water
305. Water solution base is called?
Alkali
306. Acids reach with bases to give?
Salt
307. PH value of human blood is?
7.35-7.45
308. The acid used in eye wash is?
Boric acid
309. The element common to all acids is?
Hydrogen
310. Aluminium oxide is a/an?
Amphoteric
311. Hydrochloric acid is also known as?
Muriatic acid
312. Curd is sour due to presence of?
Lactic acid
313. Rate of diffusion of a gas is?
Inversely proportional to the square root of its molecular mass
314. The rate of diffusion of hydrogen is about?
1.4 times that of helium
315. Absolute zero is the temperature where all gases are expected to have?
Zero volume
316. According to kinetic theory of gases?
There is no intermolecular attraction
317. Deviations from ideal behaviour will be more of the gas is subjected to?
Low temperature and high pressure
318. Non ideal gases approach ideal behavior?
High temperature and low pressure
319. Vander waal’s equation explains the behavior of?
Real gases
320. When the universal gas constant is divided by avogadro’s number (N) , their ratio is called?
Boltzmann’s constant
321. An ideal gas is one which obeys?
Gaslaws
322. At constant temperature and pressure the voume of a gas is directly proportional to the number of molecule this law had been given by?
Avogadro
323. Function of Leghaemoglobin in nitrogen fixation?
Absorption of Oxygen
324. Refrigeration is a process in which?
Bacteria become inactive
325. Souring of Milk is due to?
Bacteria
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