. The main constituents of pearl are
(a) Calcium carbonate and magnesium carbonate
(b) Aragonite and conchiolin
(c) Ammonium sulphate and sodium chloride
(d) Calcium oxide and ammonium chloride
Answers were Sorted based on User's Feedback
Answer / umesh singh
(a)Calcium carbonate and magnesium carbonate
| Is This Answer Correct ? | 29 Yes | 8 No |
Answer / kaushalendra
The main constituent of pearl is calcium carbonate and
magnesium carbonate.
| Is This Answer Correct ? | 22 Yes | 8 No |
Answer / nikhil anurag
a) calcium carbonate and magnesium carbonate
| Is This Answer Correct ? | 11 Yes | 3 No |
Answer / sabita kumari
Typically the build-up of a natural pearl consists of a
brown central zone formed by columnar calcium carbonate
caco3,About 95% of nacre consist of layers of calcium
carbonate (CaCO3)
the answer is calcium carbote and magnesium cabonate
| Is This Answer Correct ? | 8 Yes | 0 No |
Answer / vishalinc.kumar05
calcium carblnate and magnesium carbonate
| Is This Answer Correct ? | 5 Yes | 2 No |
The doctors in U.S.A. have recently started using T-Scan-2000, a device to detect 1 Breast Cancer 2 A rise in cholesterol vessels 3 Choke-ups in blood vessels 4 AIDS
A new export Zone for giving boost to export of mangoes is being set up in 1 Uttar Pradesh 2 Maharashtra 3 Madhya Pradesh 4 Bihar
The sector that has the highest plan outlay in Union Budget, 1983-84 is: (1) Agriculture (2) Special Area Programme (3) Science and Technology (4) Energy
who is the father of pakistan
Growth of credit in agriculture, despite its priority sector status, has remained a persistent problem in the economy. According to the RBI, domestic banks must allocate what percent of their advances to the agricultural sector (including direct and indirect finances)? (1) 8% (2) 12% (3) 15% (4) 18% (5) None of these
Numerically the largest human race in the world is 1 Caucasoid 2 Mongoloid 3 Negroid 4 Austroloid
Sarnath is well known because : (a) it has a big oil refinery (b) it is a holy place for Buddhists (c) it is an ancient capital (d) it has a big steel plant
Who is the author of the book 'Half a Life'?
Consider the following statements : 1. Ala-ud-din Khalji held religious discourses with Acharya Mahasena. 2. Ala-ud-din Khalji and Muhammad-bin-Tughluq demanded one sixth of the agricultural produce as revenue from peasants. Which of the statements given above is/are correct ? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
what is known as 'INDIAN MAGNAKARTA'
6 Answers State Bank Of India SBI,
Which of the following represents the Forex Assets of the Government of India as on November ?97? (approximately in U.S.$ billion) 1 24.25 2 30 3 32.75 4 19
Among the following cities, which one is nearest to the Tropic of Cancer? (a) Delhi (b) Kolkata (c) Jodhpur (d) Nagpur
5 Answers UPHJS Uttar Pradesh Higher Judicial Service,