Question

1) Domestic cooking gas consists of mostly
A) Methane & Ethane
B) Liquified butane & isobutene
C) Ethylene & carbon monoxide
D) Hydrogen & acetylene

2) From which mineral in radium obtained
A) Limestone B) Haematitic
C) Pitchblende D) Rutile

3) Which one of the following pairs is mismatched
A) Fossil fuel burning - release of CO2
B) Nuclear power - Radio active waste
C) Solar energy- Green house effect
D) Biomass burning -release of CO2

4)Which one of the following pair is correctly mismatched?
A) Mass spectrograph- Chadwick
B) Atomic Number- Moseley
C) Neutron- Millikan
D) Measurement of charge of electron - Aston

answer quickly!!!!!​

Answer 1

Answer:

Explanation:

1)B.liquified butane and isobutane.

2)C.Pitchblende.

3)C.Solar energy- Green house effect.

4)C.Neutron- Millikan.

Hope it helps you...

Pl mark it the brainliest answer if it helps you to get satisfaction of knowledge and experience it ✔✔✔

Answer 2

1) Domestic cooking gas consists of mostly

A) Methane & Ethane

B) Liquified butane & isobutene

C) Ethylene & carbon monoxide

D) Hydrogen & acetylene

A) Methane & Ethane♥

2) From which mineral in radium obtained

A) Limestone B) Haematitic

C) Pitchblende D) Rutile

C) Pitchblende♥

3) Which one of the following pairs is mismatched

A) Fossil fuel burning - release of CO2

B) Nuclear power - Radio active waste

C) Solar energy- Green house effect

D) Biomass burning -release of CO2

D) Biomass burning -release of CO2♥

4)Which one of the following pair is correctly mismatched?

A) Mass spectrograph- Chadwick

B) Atomic Number- Moseley

C) Neutron- Millikan

D) Measurement of charge of electron - Aston

Answer == c neutron,- Millikan ♥