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Grade 9 Chem Question!!!!!!!!!!!!!!!??????????!!!!!!!!!!!?
Ok so I did a lab today and i'm stuck on a few questions. Here is a short summary of what we did!
- Poured 100mL of hydrochloric acid into a flask
- Used a small amount of baking soda and placed on a piece of paper
- Filled the 1L beaker up 3/4 of the way up with water
- Placed the rubber tube from the thistle tube up the test tube and placed the inverted test tube in the water in the 1L beaker
- Added sodium bicorbonate to the flak with HCI and placed the thistle tube with the stopper on the flask
- When the reaction stopped, we carefykky renmoved the testtube from the water.
- Then we added a burning splint into the test tube.
Okay so here are the questions i'm stuck on:
What would happen in the test tube that was in the 1L beaker?
What gas was produced in the test tube and how do you know?
+ Half a question:
Why is this reaction a chemical change?
Chemistry is my weakest subject unfortunetly! Thank you <3
The answer to this q:
What gas was produced in the test tube and how do you know?
It's hydrogen because when you put the lit splint into the test tube there was a squeaky pop.
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