umaimab87 Asked: December 2022 The colour of transition metal complexes is due to:A. d-d transition of electronsB. Paramagnetic nature of transition elements C. Loss of s-electronsD. Refraction
umaimab87 Asked: December 2022 An ionic compound A^+ B^- is most likely to be formed when:A. The ionization energy of A is high and electron affinity of B
umaimab87 Asked: December 2022 The value of R ( the gas constant) is:A. 0.0821 dm^3 atm k mole^-1B. 803143 Nm k^-1 moleC. 0.0821 dm^3 atm k^-1
umaimab87 Asked: December 2022 The Carbon number of gasoline is:A. C5-C6B. C6-C7C. C5-C10D. C12-C15Right answer is C. I have already written the right answer so Don't write wrong answer.
umaimab87 Asked: December 2022 SN2 reactions can be best carried out with:A. Primary alkyl halidesB. Secondary alkyl halidesC. Tertiary alkyl halidesD. Both primary and tertiary alkyl halides Right answer is
umaimab87 Asked: December 2022 The Chemical formula of tincal is:A. Na2B2O7. 10H2OB. Na2B4O7. H2O C. Na2B4O7. 10H2OD. Na2B2O5. 10H2ORight answer is C. I have already
umaimab87 Asked: December 2022 Juxta-medullary nephrons are present only in:A. Fishes and amphibiansB. Amphibians and birdsC. Birds and mammalsD. Mammals and fishesRight answer is C.
umaimab87 Asked: December 2022 Plant pigments responsible for red, yellow and orange colors in many fruits and vegetables are:A. Chlorophyll aB. Chlorophyll bC. CarotenoidsD. CelluloseRight answer is
umaimab87 Asked: December 2022 Methyl orange is ? in acidic solution. A. YellowB. PinkC. Orange D. RedRight answer is D. I have already written the right answer so
umaimab87 Asked: December 2022 Which one of the following options is not an example of genetic engineering? A. Insulin producing bacteriaB. Oil eating bacteria C. Photosynthetic bacteria
umaimab87 Asked: December 2022 A group of biologically active molecules formed from amino acids which interact with the surface of the lipid bilayer of cell membranes are called:A. Integral
umaimab87 Asked: December 2022 15 solve and verify. I have already written the right answer so Don't write wrong answer. Just rewrite the right
umaimab87 Asked: December 2022 the melting point of nacl is very high 801c it is reduced to 600c by addition of in downs process a caclb
umaimab87 Asked: December 2022 Erythroblastosis foetalis occurs when mother is Rh-ve and father is:A. Also - veB. +veC. HaemophilicD. Color blindRight answer is B. I have already
umaimab87 Asked: December 2022 For the following exothermic reaction, decrease in temperature will shift the equilibrium towards:2NO+O2-------->2NO2A. LeftB. The point of equilibrium C. Both directions D. Right Right
umaimab87 Asked: December 2022 Universal indicator is ? in acidic solutions and ? in basic solutions and ? in neutral solutions. A. Red, purple,
umaimab87 Asked: December 2022 The transparent plastic used to make combs and hair brushes called:A. PVA B. PVC C. Bakelite D. Perspex Right answer
umaimab87 Asked: December 2022 Which of the following reactions is not shown by ketones? A. Reaction with HCNB. Reaction with fehling solutionC. Reaction with NaHSO3D. Reaction
umaimab87 Asked: December 2022 How many chain isomers are shown by C5H12? A. 5B. 4C. 3D. 2Right answer is C. 1. CH3-CH2-CH2-CH2-CH32. CH3-CH-CH2-CH3 | CH3 CH3
umaimab87 Asked: December 2022 1,4,6 trinitrophenol is another name of:A. ResorcinolB. AspirinC. Picric acidD. MesitolRight answer is C.I have already written the right answer so Don't write wrong
umaimab87 Asked: December 2022 If constant current is flowing through a coil then Flux through that coil will become constant. In such type of arrangements, the electromotive force
umaimab87 Asked: December 2022 For the first time in 1911, Henry Moseley used X-rays for the determination of:A. Atomic number B. Atomic massC. Molecular massD. Equivalent
umaimab87 Asked: December 2022 Which one of the following is not an ortho-para deactivating group? A. FB. NH2, OHC. ClD. Br, IRight answer is B. I have
umaimab87 Asked: December 2022 Many elements have fractional atomic masses. This is because:A. Mass of atom is itself fractionalB. Atomic masses are average masses of isobarsC. Atomic masses