} }

Physical and Chemical Changes

Physical and Chemical Changes > Ask Question to Alfie

cee
Hi
Which gas is responsible for the change of color of lime water when passed through the mixture of baking soda and vinegar?
user
cee
When a mixture of vinegar (acetic acid) and baking soda (sodium hydrogen carbonate) passes through lime water, it turns milky due to the passing of carbon dioxide. The turning of lime water into milky is a standard test of carbon dioxide. This reaction between baking soda and vinegar is a chemical change
cee
Some of the learners also asked:
what will happen to a red litmus paper when when immersed in alkaline solution?
speak