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1. In water softening, which of the precipitates will settle out?
2. For particle sizes larger than 1μ in size
3. In non-ideal type II settling
4.The most usually used method for rapid filter cleaning is:
Solvay process
The number of radial nodes of 3s and 2p orbitals are respectively : (1) 2, 0 (2) 0, 2 (3) 1, 2 (4) 2, 1 Ans: 2, 0
Q. Define homogeneous mixture ? A homogeneous mixture is one which has a constant composition throughout. By mixed sugar in water you create a homogeneous mixture. A homogeneo
why is soda lime used instead of plain NaOH in preparation of methane?( for class 10)
Q. Briefly explain about Alloys? Ans. Pure metals are malleable. Metals that are harder, stronger and less malleable are sometimes required. These characteristics may be a
Action of grignard reagents on carbonyl compounds with examples
Q. Calculate Enthalpy Changes in system? Ans. It turns out that you can add reactions the same way you add algebraic equations. The enthalpy of the resulting reaction is the su
The frequency of one of the lines in Paschen series of hydrogen atom is2.340x10 11 Hz. The quantum number n 2 which produces this transition is: (1) 6 (2) 5
HOW TO CALCULATE STYX
Physical chareterstics of carbonyl compounds Physical state: a. Methanal is a pungent smell gas. b. Ethanal is a volatile liquid and boiling points 294 K. c. Other ald
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