When both sodium and Hydrochloric acid are added to a test tube, what will be observed?
When a Metal and acid react together they form a salt, and hydrogen gas. You can't really see the salt when is is formed, as salts dissolve in solution. However you can see the hydrogen gas bubbles. So fizzing or effervescence would be an appropriate description.
Related Chemistry A Level answers
All answers ▸State what is meant by the term structural isomer?
Elements in the periodic table show a trend in atomic radius. State and explain the trend in atomic radius from Li to F.
State and explain the difference in base strength between phenylamine and ammonia.
What factors affect the lattice enthalpy of an ionic solid?