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Answer 1
The blue litmus turns red because when we blow out air from our mouth it contains carbon dioxide which is acidic in nature
Answer 2
If stomach fails to protect it from the effect of hydrochloric acid then the the stomach will first burn the mucous lining ...then the inner lining of epithelial tissue and then ulcers will start happening
Answer 3
Test tube A may have a acid in it and so the colour appeared dark pink
Test tube B may have a Base in it and so it turned green
Test tube C may have a neutral solution so there was no change
Answer 4
When we eat food which is acidic in nature which get stuck in our teeth ...the bacteria secrete acid which destroys the effect of salivary amylase an enzyme found in saliva due to which the saliva is not able to clean the front part of our teeth due to which plague formation starts because of bacteria such as streptococcus and lactobacillus acidophilus. ..due to which the upper coat of our teeth that is the enamel starts to disintegrate ..and slowly our teeth become weak
The blue litmus turns red because when we blow out air from our mouth it contains carbon dioxide which is acidic in nature
Answer 2
If stomach fails to protect it from the effect of hydrochloric acid then the the stomach will first burn the mucous lining ...then the inner lining of epithelial tissue and then ulcers will start happening
Answer 3
Test tube A may have a acid in it and so the colour appeared dark pink
Test tube B may have a Base in it and so it turned green
Test tube C may have a neutral solution so there was no change
Answer 4
When we eat food which is acidic in nature which get stuck in our teeth ...the bacteria secrete acid which destroys the effect of salivary amylase an enzyme found in saliva due to which the saliva is not able to clean the front part of our teeth due to which plague formation starts because of bacteria such as streptococcus and lactobacillus acidophilus. ..due to which the upper coat of our teeth that is the enamel starts to disintegrate ..and slowly our teeth become weak
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