1) If a solution gives dark blue color and water is added to it, its color will become: A.)Dark blue
C.) Light blue to green
B.)Red
D.) Purple
2)Universal indicator strip gives green colur when put in our mouth before eating food. This indicates that:
A.) The pH of saliva is basic in nature
B.) The pH of saliva is near neutral
C.) Saliva is acidic in nature
D.) All are in correct
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1) If a solution gives dark blue color and water is added to it, its color will become:
C.) Light blue to green
Universal indicator strip gives green colur when put in our mouth before eating food. This indicates that:
B.) The pH of saliva is near neutral