Which one of the following statement is correct for urea ? Options: A. it is a synthetic fertilizerB. it is a natural fertilizerC. it provides micronutrients to the plantsD. it is an inorganic water soluble compound View Answer A. it is a synthetic fertilizer
Calculate % of N in KNO3__________? Options: A. 14.34%B. 18.56%C. 13.86%D. None of these View Answer C. 13.86%
Which statement is incorrect ? Options: A. All the metals are good conductor of electricityB. All the metals are good conductor of heatC. All the metals form positive ionsD. All the metals form acidic oxides View Answer D. All the metals form acidic oxides
Element that have same number of neutrons are called__________? Options: A. isotopeB. isobarC. isotoneD. None of these View Answer C. isotone
Atom is the smallest particall which is_________? Options: A. IndivisibleB. DivisibleC. BothD. Non of these View Answer A. Indivisible
Who used the term Concentrationwindow to draw the arbitrary lines of demarcation Options: A. EinsteinB. Dr.A.WalashC. SchwartzD. S.E.Manhan View Answer C. Schwartz
__________ is one of the allotropic modifications of carbon. Options: A. SiliconB. DiamondC. IodineD. Graphite View Answer B. Diamond
Which one of the following serve as aquatic solar fuel cell: Options: A. BacteriaB. VirusC. FungiD. Algae View Answer D. Algae