Roberto'S Free Online Practice Tests

5 Tests by Roberto
 
LA QUÍMICA EN LA VIDA
5 Questions | 70 Attempts
QUIMICA, COMPETENCIAS, Chemistry
MATTER AND ENERGY
6 Questions | 488 Attempts
MASS, ENERGY, MATTER
TYPES OF CHEMICAL REACTIONS
5 Questions | 868 Attempts
SYNTHESIS, DECOMPOSITION, COMBUSTION
TEMPERATURE CONVERSIONS
7 Questions | 80 Attempts
KELVIN, CELCIUS, FAHRENHEIT
TYPES OF SOLUTIONS
7 Questions | 107 Attempts

About Roberto

  • Roberto
    Roberto
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Profile Summary

My name is Roberto. More than 25 years teaching chemistry and some other science subjects in spanish, now in english. Always trying to learn and know more. Wish me luck.