Separate the following substances into elements and compounds: Graphite, Diamond, Distilled water, Oxygen, Iron, Sodium chloride, Blue vitriol.
Elements: Graphite, Diamond, Oxygen, Iron.
Compounds: Distilled water, Sodium chloride, Blue vitriol.
The popular unit of pressure is atmosphere, how is it related to pascal?
What are SI units of the following:
(i) Density
(ii) Molarity
(iii) Energy
(iv) Temperature ?
Out of 5.00 g and 5.0 g which one is more accurate and why?
What is iodised table salt?
Under what conditions air is considered as a heterogenous mixture?
What is gun powder?
Name two elements which are liquids.
Name two elements which are gases.
Name the scientist who proposed the law of multiple proportions.
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