Question Detail

Who proposed first atomic theory ?

E.Rutherford
De Broglie
John Dalton
D.I.Mendeleef

Answer: Option C

Similar Questions :

1. Faraday's Law is associated with

Reaction of gases
Pressure of gases
Electrolysis
Temperature and pressure

Answer: Option C

2. Contact lenses are made from ?

Polyvinyl chloride
Teflon
Polystyrene
Lucite

Answer: Option A

3. Mass number of a nucleus is :

the sum of the number of protons and neutrons present in the nucleus
always more than the atomic weight
always less than its atomic number
None of above

Answer: Option A

4. Elements that show the properties of both metals and non metals are called ?

metalloids
allotropes
alloys
colloids

Answer: Option A

5. The Chemical Symbol of Sodium is

So
Sd
Na
Nu

Answer: Option C

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