GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Acidic substances include which of the following?
A
Blood
B
Water
C
Gastric juice
D
Egg white
E
Lye
Explanation: 

Detailed explanation-1: -Answer: Substances that have a pH level of less than 7 are acidic in nature. For e.g Acidic substances such as vinegar, tamarind, lemon, etc.

Detailed explanation-2: -Now let’s look at lye, a strong base with the chemical formula NaOH (sodium hydroxide).

Detailed explanation-3: -Is NaOH an acid or base? NaOH (sodium hydroxide) is a base. According to definitions, anything that contains hydroxide-ion and releases it in water is considered a base. So, NaOH is classified as a base because it separates into Na+ and OH– ( hydroxide-ion) in water.

Detailed explanation-4: -Examples of strong alkalis (lyes) include barium, sodium, ammonium, calcium, lithium, and potassium hydroxides.

There is 1 question to complete.