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 ▸What is solvent leveling? How can we distinguish between two strongly acidic solutions? (This is a challenging question and is included for interest only)
Draw the full structual diagram of ethyl-ethanoate, labeling relevent bond angles and explain why the molecule has this structure.
Name and explain the three types of isomerism present in organic compounds.
How do you calculate the pH of a weak acid?