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The characteristic invalid for heat radiation is that it travels:
The rusting of iron metal in air needs both
When quick lime is added to water
Which of the following is the correct combination of inventors and the inventions
_ physical quantity is measure in watts.
Chlorophyll absorbs which of the wavelength of the Sun light ?
If an object absorbs light of all colours, it will appear
The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:
The rusting of iron-
When the three axes of a crystal lattice are mutually perpendicular and two of the lattice parameters are equal, what is the crystal system ?
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