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determination of lattice energy
Q. Determine the wavelength of light wave? Ans. The frequency of an infrared wave is 2.07 x 10 14 Hz. What is the wavelength? c = λv Since we know the speed of light we
The elements of this group form a number of compounds with halogens. The halogen compounds of S. Se, Te and Po are called as halides. For oxygen, only the fluoro compounds
How many ion H2- does have The H2- ion having three electrons. This can be conceived as the combination of a hydrogen atom with a hydride ion (H-). By the aufbau principle, two
Product Optimization Sensory analysis during this phase of product development is critical and includes extensive evaluation with many kinds of tests, each playing a specific
Ask question formaldehyde reacts with NH3 #Minimum 100 words accepted#
why beryllium cannot be attacked readily by acid
Evaluation of food quality A common practice employed to evaluate the shelf life of a given food product is to determine changes in selected quality characteristics over a per
give some experiments to show difference between alcohol and phenol of class 12 level
what is the gram atomic mass of hydrogen and oxygen?
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