Question

Multip
1.
bon in air
ated nor de
qual to the
magnesium
1) Landolt
2.
1) Lavoisier
3.
ntical?
During the
a the com
Law of conservation of mass was proposed by
2) Lavoisier
3) Dalton
Law of conservation of mass was experimentally verified by
4) Proust
2) Landolt
3) Proust
4) Berzelius
4A given chemical substance always contains the same elements combined
fixed proportions by weight” is called
1) Law of conservation of mass 27 Law of constant proportions
3) Law of definite proportions 4) both b & C
Latin word for water is
4.
Hydro
2) Helios
3) Hydrogen
4) Oxy
5.
The gas which was first discovered in the sun
1) Hydrogen
2) Oxygen
37 Helium
4) Nitrogen
Law of definite proportion was given by
6.
1) John Dalton 2) Lavoisier
31 Joseph Proust 4) Ritcher
7. Among the following the elements that are discovered and named after
scientist
1) Einsteinium
2) Fermium
34 Rutherfordium and Mendelevium 4) all the above
constant
7.4 g of
125 g of
of con
e always​

Answer 1

Answer:

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