Category: Every Day Science

A:  300 Million meters per second
B:  300 Million meters per hour
C:  300 Million kilometers per second
D:  300 Million kilolmeters per hour

A:  130 meters per second
B:  330 meters per second
C:  430 meters per second
D:  None of these

A:  Sound
B:  Echo
C:  Reverberation
D:  Noise

A:  Gravitational field
B:  A lot of metal deposits on North and South Poles
C:  Due to attraction of North Pole and repulsion of West Pole
D:  Earth is a huge magnet

A:  Watt hour
B:  Kilotwatt hour
C:  Joule hour
D:  None of these

A:  Chemical effect
B:  Magnetic effect
C:  Heating effect
D:  All of these

A:  Sodium and Potassium
B:  Sodium and Calcium
C:  Sodium and Chlorine
D:  Chlorine and Iodine

A:  Magnetite and Pyrite
B:  Magnetite and Bauxite
C:  Hematite and Meganetite
D:  Hematite and Bauxite

A:  Igneous rocks
B:  Sedimentary rocks
C:  Metamorphic rocks
D:  Acid rocks

A:  Exophere
B:  Mesophere
C:  Stratosphere
D:  Ionophere