401 The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________? Chemistry Medium Full question → A 3 B 2.7 C 2 D 1.5
402 The gases become non-ideal at ________________? Chemistry Medium Full question → A High temperature and high pressure B Low temperature and low pressure C High temperature and low pressure D Low temperature and high pressure
403 Who made volume and pressure correction to explain deviation of gases from ideal behaviour ? Chemistry Medium Full question → A Clausius B Boltzman C Charles D Vander waal
404 What will be the pressure of 1 mole of an ideal gas maintained at 300 K and 250cm3 volume ? Chemistry Medium Full question → A 98.5 atm B 96.7 atm C 95.8 atm D 97.1 atm
405 What do we call to sudden expansion of plasma ? Chemistry Medium Full question → A Avogadros law B Grahams law of diffusion C Joule Thompson effect D Daltons law of partial pressure
406 The highest temperature at which a substance can exist as a liquid is called its______________? Chemistry Medium Full question → A Critical temperature B Standard temperature C Absolute temperature D Upper consulate temperature
407 The spreading of fragrance or scent in air is due to_______________? Chemistry Medium Full question → A Diffusion B Effusion C Attraction with air D Low dsensity
408 The partial pressure exerted by the water vapours is called_______________? Chemistry Medium Full question → A Surface tension B Aqueous tension C Vapour pressure D Hydraulic pressure
409 Which one is the right value for R ? Chemistry Medium Full question → A 0.0821 atm dm3k-1mol- B 0.0821 atm m3k-1mol-1 C 2 cal k-1 mol-1 D 8.314 Nm2k-1mol-1
410 For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature ? Chemistry Medium Full question → A 1/2dm3 B 1/3dm3 C 1/4dm3 D 2/3dm3
411 What is the abundant form of matter on earth ? Chemistry Medium Full question → A Gas B Liquid C Solid D Plasma
412 In how many forms do matter exists ? Chemistry Medium Full question → A Three B Four C Five D Two
413 Which of the following option is incorrect about gases ? Chemistry Medium Full question → A All molecules move with same speed B All molecules behave independently C PV / RT = n D All gases cannot be liquefied through Linds Method
414 0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________? Chemistry Medium Full question → A Value of a B Mass C Atoms D Both B and C
415 Which of the following statements is true about plasma________________? Chemistry Medium Full question → A It may be the first state of matter B It is not a phase transition C It is a conductor of electricity D All of the above
416 The weakest (in strength) of the following intermolecular forces is_______________? Chemistry Medium Full question → A Hydrogen bonding B Vander Waals force C Forces among the polar molecules D Ionic bond
417 Which of these gases diffuse more quickly than oxygen ? Chemistry Medium Full question → A H2S B NO C Cl2 D N2O
418 Linds method is employed for__________________? Chemistry Medium Full question → A Separation of gases B Expansion of gases C Compression of gases D Liquefaction of gases
419 The non-ideal behaviour results chiefly from________________? Chemistry Medium Full question → A Intermolecular attraction and infinite volume B Elastic collisions and finite volume C Intermolecular attractions and finite volume D Intermolecular attraction only
420 The processes of effusion and diffusion are best understand by________________? Chemistry Medium Full question → A Daltons law B Avogadros law C Grahams law D Charles law