The substances that are composed of to or more different elements in fixed proportion by mass are called
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The law of constant proportions was enunciated by
Sodium carbonate crystal lose water molecules this property is called
Name the Scientist who stated that matter can be converted into energy
When body is accelerated
An object with a constant speed
Masses of stars and galaxies are usually expressed in terms of
The minimum number of Non zero non collinear vectors required to produce a zero vector is