- Kenya
- Malaysia
- Malta
- Pakistan
2) Copper can be converted into gold by?
- Artificial radioactivity
- heating
- Electroplating
- Chemical reaction
3) The three elements needed for healthy growth of plants are?
- N, P, K
- N, C, P
- N, K,
- N, S, P
4) Clocks, which moves with the velocities compareable with the velocity of light, run?
- fast
- slow
- equal to the velocity of light
- with zero velocity
5) Max Planck received the noble prize in Physics in 1918 for his discovery of?
- electron
- energy quanta
- photon
- positron
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