To protect tooth decay, one is advised to brush the teeth regulary. The ingredient of the paste which checks tooth decay is:
To protect tooth decay, one is advised to brush the teeth regulary. The ingredient of the paste which checks tooth decay is:
If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done?
If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done?
Which of the following gives the correct increasing order of acidic strength?
Which of the following gives the correct increasing order of acidic strength?
Which of the following gives the correct increasing order of acidic strength? Read More »
A sample of soil is mixed with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish-orange. Which of the following would change the colour of this pH paper to greenish- blue?
A sample of soil is mixed with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish-orange. Which of the following would change the colour of this pH paper to greenish- blue?
Which of the following acid(s) never forms acidic salt?
Which of the following acid(s) never forms acidic salt?
Which of the following acid(s) never forms acidic salt? Read More »