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. The isotope atoms differ in ?

number of neutrons
atomic number
number of electrons
atomic weight

Answer: Option A

Explanation:

Important to note that isotope atoms have same atomic number.

3. Which gas is used in fire extinguishers ?

Carbon dioxide
Nitrogen oxide
Carbon monoxide
Sulpher dioxide

Answer: Option A

4. Brass is an alloy of ?

Copper and Tin
Copper and Zinc
Copper and Aluminium
Iron and Copper

Answer: Option B

5. Acid rain is due to air pollution by ?

Carbon dioxide
Carbon monoxide
Methane
Nitrous oxide and Sulphur dioxide

Answer: Option D

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