The main constituents of pearls are Options: A . &nbspcalcium oxide and ammonium chloride B . &nbspcalcium carbonate and magnesium carbonate C . &nbsparagonite and conchiolin D . &nbspammonium sulphate and sodium carbonate

The main constituents of pearls are

Question

The main constituents of pearls are

Options:

A . calcium oxide and ammonium chloride

B . calcium carbonate and magnesium carbonate

C . aragonite and conchiolin

D . ammonium sulphate and sodium carbonate

Answer: Option B
Answer: (b).calcium carbonate and magnesium carbonate

Was this answer helpful ?

Next Question

Question 1. Amalgams are....

Question 2. Which of the following is the lightest metal?....

Question 3. Which of the following metals remain in liquid for under normal conditions?....

Question 4. Mesons are found in....

Question 5. What is the wavelength of visible spectrum?....

Question 6. Which of the following shows the masses of the three elementary particles in decreasing order?....

Question 7. Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material?....

Question 8. Which of the following has a least penetrating power?....

Question 9. Asteroid with icy outer crust and rocky core is....

Question 10. Ceres, Pallas, Hygeia and Vesta are classified as....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

GPOE / GPA Combined 1 Free CBT Mock Test SAIL E0 2024

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Chapter 1.1 : INTRODUCTION Chapter 1 : Raw Material Handling Plant SAIL E0 - GPOE/GPA 2024

Chapter 3.1 : INTRODUCTION Chapter 3 : Sinter Plant SAIL E0 - GPOE/GPA 2024

Chapter 2.3 : COAL HANDLING PLANT - Set 1 Chapter 2 : Coke Ovens and Coal Chemicals SAIL E0 - GPOE/GPA 2024