Answer : The correct options is, (C) Orange juice, yogurt.
Explanation :
Acid : It is a substance that has ability of donating proton or hydrogen ion, [tex]H^+[/tex].
The properties of an acid are :
- Acids are sour in taste.
- The texture of an acid solution is sticky.
- It changes the color of the litmus paper to red.
- It react with a metal to give compound and hydrogen gas.
Base : It is a substance that has ability of donating hydroxide ion, [tex]OH^-[/tex].
The properties of an base are :
- Base are bitter in taste.
- The texture of an base solution is slippery.
- It changes the color of the litmus paper to blue.
- It does not react with a metal.
As we know that,
Antacid : It is a base that is used for the neutralization of stomach acidity. So, it is bitter in taste.
Orange juice : It is an acid in which citrus acid present in it. So, it is sour in taste.
Toothpaste : It is a base that is used for cleaning teeth. So, it is bitter in taste.
Yogurt : It is an acid in which lactic acid present in it. So, it is sour in taste.
Hence, the substance likely to have a sour taste are orange juice, yogurt.
