The name of the common mineral salt present in sweat is ?

Related Mcqs:

1. The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.

   A. 1 gram
   B. 10 grams
   C. 1 kg
   D. 10 kg

2. Which one of the following is a non-metallic mineral?

   A. Manganese
   B. Magnesium
   C. Gypsum
   D. Bauxite
   E. None of these

3. According to many, including the Guinness Book of World Record,________is the world’s rarest mineral?

   A. Painite
   B. Benitoite
   C. Jadeite
   D. Taaffeite

   Submitted by: Malik Asghar Hussain

4. Average salinity or ratio of salt as per kilogram of water of ocean is__________?

   A. 35 grams
   B. 55 grams
   C. 32 grams
   D. 42 grams

   Submitted by: FAZAL ULLAH

5. Epsom salt is chemically known as_________?

   A. Copper Sulfate
   B. Magnesium Sulfate
   C. Ferrous Sulfate
   D. None of these

   Submitted by: ABDUL HAYEE

6. An egg sinks in soft water but floats in a concentrated solution of salt because?

   A. egg absorbs salt from the solution and expands
   B. albumin dissolves in salt solution and egg becomes lighter
   C. the density of salt solution exceeds the density of eggs
   D. water has high surface tension

   Submitted by: Malik Asghar Hussain

7. Sea water (Salt water) freezes at ?

   A. Same temperature as fresh water.
   B. Slightly higher temperatures than fresh water.
   C. Slightly higher temperature than fresh water.
   D. Sea water does not freeze

   Submitted by: Mansoor Ahmed Suhag

8. What is the percentage of salt water on earth surface?

   A. 93%
   B. 95%
   C. 97% 
   D. 76%

   Submitted by: Syed Nizakat Ali Shah

9. Main use of salt in diet is to : ___________?

   A. ease the process of cooking
   B. increase the taste
   C. produce small amount of hydrochloric acid required for digestion
   D. inclease solubility of food particles in water

   Submitted by: Abid Hussain

10. A fresh egg when placed in salt water will __________ ?

    A. sink and go to the bottom
    B. sink but will not go to the bottom
    C. Float
    D. Burst

    Submitted by: Abid Hussain