Saturday 23 June 2012

Science Quiz - Part 6


Science Quiz - Part 6


1) A pH below 7 indicates...?

1) Alkalinity
2) Presence of ions
3) Purity of the sample
4) Acidity

2) Which of the following gases is green in color?

1) Chlorine
2) Hydrogen
3) Krypton
4) Neon

3) What is the combination of any substance with oxygen known as?

1) Combustion
2) Reduction
3) Hydrogenation
4) Oxidation

4) Which of the following is not an allotrope of carbon?

1) Diamond
2) Graphite
3) Charcoal
4) Silk

5) The 'fizz' in soft drinks is caused by...?

1) Helium
2) Carbon dioxide
3) Nitrogen
4) Hydrogen



6) What gas is evolved when dilute sulfuric acid is added to zinc?

1) Sulfur Dioxide
2) Hydrogen
3) Hydrogen Peroxide
4) Argon

7) Which of the following is not an acid?

1) H2SO4
2) HCl
3) NaOH
4) HNO3

8) The lead of a pencil mainly contains...?

1) Carbon black
2) Plastics
3) Lead
4) Graphite

9) Watt is the unit of...?

1) Electric Current
2) Power
3) Work
4) Electric Charge

10) Kelvin is the unit of...?

1) Temperature
2) Energy
3) Heat
4) Work



11) Tesla is the unit of...?

1) Magnetomotive Force
2) Magnetic Flux Density
3) Magnetic Field Intensity
4) Magnetic Flux

12) Siemens is the unit of...?

1) Electrical Field Strength
2) Electrical Conductivity
3) Electromagnetic Inductance
4) Electrical Resistance

13) Ampere is the unit of...?

1) Electric Energy
2) Electric Charge
3) Electrical Current
4) Electromotive Force

14) Farad is the unit of...?

1) Magnetic Flux
2) Electrical Capacitance
3) Electrical Conductivity
4) Electromotive Force

15) Joule is the unit of...?

1) Power
2) Energy
3) Temperature
4) Impulse



16) Lux is the unit of...?

1) Luminous Intensity
2) Focus
3) Luminous Flux
4) Illumination

17) Newton is the unit of...?

1) Heat
2) Force
3) Work
4) Power

18) Pascal is the unit of...?

1) Density
2) Focus
3) Power
4) Pressure

19) How many points are there on the Beaufort scale for measuring wind force?

1) 12
2) 6
3) 7
4) 13

20) Which of these names is attached to the scale of damage which potentially could be caused by an asteroid or comet impacting the Earth?

1) Torino
2) Venezio
3) Firenze
4) Napoli

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