JK2004

On the extraction of iron, the slag produced is

On the extraction of iron, the slag produced is Options (a) CO (b) FeSiO₃ (c) MgSiO₃ (d) CaSiO₃ Correct Answer:…

XeF₆ on complete hydrolysis gives

XeF₆ on complete hydrolysis gives Options (a) Xe (b) XeO₂ (c) XeO₃ (d) XeO₄ Correct Answer: XeO₃Explanation:Partial hydrolysis of XeF₆…

Vapour pressure of dilute aqueous solution of glucose is 750 mm of mercury at

Vapour pressure of dilute aqueous solution of glucose is 750 mm of mercury at 373K. The mole fraction of solute…

Mutarotation does not occur in

Mutarotation does not occur in Options (a) sucrose (b) D-glucose (c) L-glucose (d) none of these Correct Answer: sucroseExplanation:No explanation…

One gram mole of a gas at NTP occupies 22.4 L.This facts was derived from

One gram mole of a gas at NTP occupies 22.4 L.This facts was derived from Options (a) Law of gaseous…

Operon model for regulation of transcription was proposed by

Operon model for regulation of transcription was proposed by Options (a) Meselon and Stahl in 1998 (b) Jacob and Monod…

Insecticides usually act upon

Insecticides usually act upon Options (a) digestive system (b) nervous system (c) circulatory system (d) muscular system Correct Answer: nervous…

Earth originated approximately

Earth originated approximately Options (a) 4,500 million years ago (b) 3,600 million years ago (c) between 1,600 - 2,600 million…

Devices for self-pollination are

Devices for self-pollination are Options (a) dicliny or unisexuality (b) dichogamy (c) heterostyly (d) bisexuality or homogamy Correct Answer: bisexuality…

Molar volume of CO₂ is maximum at

Molar volume of CO₂ is maximum at Options (a) NTP (b) 0⁰C and 2.0 atm (c) 127⁰C and 1 atm…