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Ionic and covalent bonds are present in:
(1) CCl4
(2) CaCl2
(3) NH4 Cl
(4) H2O
Ans: NH4 Cl
What is the electronic configuration of Cu 2+ (Z= 29) of least position: (1) [Ar]4s 1 3d 8 (2) [Ar]4s 2 , 3d 10 4p 1 (3) [Ar]4s 1 3d 10
Calculate the amount of heat required to raise the temperature of an 58 sample of water from 34c to 64c. Express your answer using two significant figures
Dihydric alcohols - Hydrocarbon These are compound consisting of two hydroxyl sets. These are dihydroxy components of alkanes. Their common formula is A n H 2n+2 O 2 . The very
Advantage and disadvantage of westron
Q. Evaluate precentage Proteins in Milk ? Milk comprises of casein, lactoalbumins and lactoglobulins. About 82 per cent of the protein in milk is casein and the remaining prot
amphoterism of methanol Compound A is much more basic than compound B (charge effect). By the element effect, C is much more basic than A; this follows from the fact that if we
Q. Show Anomalous Behaviour of Oxygen? Oxygen differs considerably from the rest of the family members. Small size, very high electronegativity and non-availability of d-orbita
short trick for learn
ionic bonds are usually formed by combination of elements with
Perfect gases are assumed to be comprised of infinitesimally small particles and to interact only at the point of collision. At intermediate pressures, the volume of the gas become
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