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Uses of Acetylene (a) Acetylene is utilized as an illuminant. (b) It is utilized for the production of oxy-acetylene flame. The high temperature of the flame is above. Is ut
Explain the Two solids and a solvent - Phase Diagram? The phase diagram in Figure on the next page is for a ternary system of water and two salts with an ion in common. There i
Bond energy of covalent O-H bond in water is: (1) Greater than bond energy of H bond (2) Equal to bond energy of H bond (3) Less than bond energy of H bond (4) None o
Q. Define Elements and Compounds? Pure substances are categorized into two categories that are elements and compounds. An element is a substance that can't be separated into
In a potassium atom, electronic energy levels are in the following order: (1) 4s>3d (2) 4s>4p (3) 4s (4) 4s Ans: 4s
Dual nature of particles was proposed by: (1) Heisenberg (2) Lowry (3) de-Broglie (4) Schrodinger Ans:de-Broglie
preparation and structure of xenon fluorides
how do you calculate equivalents?
in which state carbon exist
why zinc extracted from zinc oxide through reduction with co? Ans) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negative ΔG value then CO
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