Home
Class 10
CHEMISTRY
When does tooth decay start in our mouth...

When does tooth decay start in our mouth ?

A

`pH lt 7`

B

`pH gt 7`

C

`pH lt 5.5`

D

None

Text Solution

Verified by Experts

The correct Answer is:
C
pH of the mouth is lower than 5.5
Promotional Banner

Topper's Solved these Questions

  • ACIDS, BASES AND SALTS

    VGS PUBLICATION-BRILLIANT|Exercise Section-2|82 Videos

  • ACIDS, BASES AND SALTS

    VGS PUBLICATION-BRILLIANT|Exercise Section-3|42 Videos

  • ACIDS, BASES AND SALTS

    VGS PUBLICATION-BRILLIANT|Exercise Think and discuss|9 Videos

  • ACIDS,BASES AND SALTS

    VGS PUBLICATION-BRILLIANT|Exercise 7 . Carbon and its Compounds|17 Videos

Similar Questions

Explore conceptually related problems

What is tooth decay ?

Why does tooth decay start when the pH of mouth is lower than 5.5?

When does the heart beat start in the human embryo?

Where does the food web start from?

Tooth decay start when the pH of the mouth is lower than-

Assertion (A) : Tooth decay starts when the pH of the mouth is lower than 5.5. Reason : Bacteria present in mouth produce bases.

Does even the type of food have any role to play on the ph of our mouth?

Imagine what happens if saliva does not secrete into mouth cavity.

What does a food chain always start with -

Tooth decay is caused due to.

VGS PUBLICATION-BRILLIANT-ACIDS, BASES AND SALTS -Section-1
  1. Match the following a) pH of acidic solutions 1) less than 7 ...

    Text Solution

    |

  2. What is the range of pH values ?

    Text Solution

    |

  3. When does tooth decay start in our mouth ?

    Text Solution

    |

  4. Write one antacid.

    Text Solution

    |

  5. Take white antacid powder with water in a test tube add methyl orange ...

    Text Solution

    |

  6. Write the chemical reaction of milk of magnesia with excess of acid in...

    Text Solution

    |

  7. Guess the nature of the soil, if a farmer treats the soil of his field...

    Text Solution

    |

  8. Which substance in your kitchen is useful to treat a honey-bee bite ?

    Text Solution

    |

  9. Which acid is produced by nettle plants ?

    Text Solution

    |

  10. What is the pH of a salt which was produced by a strong acid and a str...

    Text Solution

    |

  11. What is the chemical name of table salt ?

    Text Solution

    |

  12. What is the raw material of Chlor-alkali process ?

    Text Solution

    |

  13. Which alkali is formed in Chlor-alkali process ?

    Text Solution

    |

  14. Write the products which are formed in Chloro alkali process

    Text Solution

    |

  15. Which substance is produced by the action of chlorine on dry slaked li...

    Text Solution

    |

  16. Match the following a) Bleaching powder 1)Na2CO3*10H2O b)...

    Text Solution

    |

  17. What is the chemical name of baking Soda ?

    Text Solution

    |

  18. If you heat baking soda, which gas is released?

    Text Solution

    |

  19. Which salt is used in fire extinguishers ?

    Text Solution

    |

  20. How many water molecules are presented in a washing soda molecule ?

    Text Solution

    |