Diamond is a very expensive ornament. It is composed of a single element. (CSS 2009 General Science & Ability Paper)

Gold
Silver
Carbon
Platinum

  • Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. At room temperature and pressure, another solid form of carbon known as graphite. Graphite is the chemically stable form of carbon, but diamond almost never converts to it. Diamond is composed of the single element carbon, and it is the arrangement of the C- atoms in the lattice that give a diamond its amazing properties. Compare the structure of diamond and graphite, both composed of just carbon.
  • Salt:
    • Salt is a mineral composed primarily of sodium chloride, a chemical compound belonging to the larger class of salts.
    • Salt in its natural form as a crystalline mineral is known as rock salt or halite.
    • Salt is present in vast quantities in seawater, where it is the main mineral constituent.  
    • The mineral form halite, or rock salt, is sometimes called common salt to distinguish.
    • It forms a class of chemical compounds called salts.
  • Sugar:
    • Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food.
    • Table sugar, granulated sugar, or regular sugar, refers to sucrose, a disaccharide composed of glucose and fructose.
    • Simple sugars, also called monosaccharides, including glucose, fructose, and galactose.
    • Sugar is made in the leaves of the sugarcane plant through photosynthesis and stored as a sweet juice in sugarcane stalks.

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Related MCQs

  1. Tayammum (Ablution with sand) order is in Sura? (CSS 2023 Special Islamic Studies Paper)

    • An- Nisa
    • Al-i-Imran
    • Al- Maidah
    • None of these

    Submitted by: CSS Exam Desk Team

  2. Pandit Madan Mohan Malaviya and Lala Lajpat Rai established the Hindu organization? (CSS 2018 Pakistan Affairs Paper)

    • Punjab Hindu Sabha
    • Akhil Bharatiya Hindu Mahsabha
    • Arya Samaj
    • None of these

    Submitted by: CSS Exam Desk Team

  3. The permanent secretariat of SAARC is established at? (CSS 2011 Current Affairs Paper)

    • Kathmandu
    • Dhaka
    • Delhi
    • Islamabad

    Submitted by: CSS Exam Desk Team

  4. Ukraine Eastern region Donetsk and Luhansk collectively known as? (CSS 2023 Current Affairs Paper)

    • Crimea
    • Donbas
    • Galicia
    • East Ukraine

    Submitted by: CSS Exam Desk Team

  5. Dr. Abdus Salam of Pakistan was one of the contributors to the unification of? (CSS 2009 General Science & Ability Paper)

    • Gravitational force and weak nuclear force
    • Weak nuclear force and strong nuclear force
    • Electromagnetic force and weak nuclear force
    • Electromagnetic force and gravitational force

    Submitted by: CSS Exam Desk Team

  6. The SYNONYM of the word \"REPRISAL\" is? (CSS 1992 English Precis & Composition Paper)

    • Award
    • Surprise
    • Revision
    • Retaliation

    Submitted by: CSS Exam Desk Team

  7. When the Constitution of 1973 was proclaimed? (CSS 2012 Pakistan Affairs Paper)

    • April 12, 1972
    • March 23, 1973
    • August 14, 1973
    • None of these

    Submitted by: CSS Exam Desk Team

  8. The SYNONYM of the word \"BREACH\" is? (CSS 2012 English Precis & Composition Paper)

    • Secret
    • Secret
    • Infraction
    • Reinforcement

    Submitted by: CSS Exam Desk Team

  9. The sky is blue because of? (CSS 2018 General Science & Ability Paper)

    • Rayleigh Scattering
    • Mie Scattering
    • Refraction
    • Reflection

    Submitted by: CSS Exam Desk Team

  10. What does Viva Voce mean? (CSS 2014 Current Affairs Paper)

    • With living voice
    • By word of mouth
    • Both a & b
    • None of these

    Submitted by: CSS Exam Desk Team

  11. The Gulf of Aden is a gulf in the Indian Ocean. To its north is? (PPSC PMS Punjab General Knowledge Paper, December 15, 2024)

    • Eritrea
    • Yemen
    • Somalia
    • Djibouti

    Submitted by: CSS Exam Desk Team

  12. The type of glass used in making lenses and Prism is? (CSS 2015 General Science & Ability Paper)

    • Pyrex glass
    • Jena glass
    • Flint glass
    • Soft glass

    Submitted by: CSS Exam Desk Team

  13. Which is not included in the earth’s environment? (CSS 2019 General Science & Ability Paper)

    • Lithosphere
    • Stratosphere
    • Biosphere
    • None of these

    Submitted by: CSS Exam Desk Team

  14. The Headquarter of Red Cross are in? (CSS 2011 Current Affairs Paper)

    • London
    • New York
    • Berlin
    • Geneva

    Submitted by: CSS Exam Desk Team

  15. Pakistan and Russia signed a landmark defence agreement on? (CSS 2016 Current Affairs Paper)

    • 19 August 2015
    • 21 July 2014
    • 29 August 2015
    • None of these

    Submitted by: CSS Exam Desk Team

  16. Quetta-Mashhad bus service started by Musharraf under vision 2030 started in? (CSS 2014 Current Affairs Paper)

    • 2007
    • 2006
    • 2008
    • None of these

    Submitted by: CSS Exam Desk Team

  17. What is the name of Bacha Khan’s autobiography? (CSS 2023 special Pakistan Affairs Paper)

    • My Memoirs
    • My Life and Struggle
    • A long way to freedom
    • None of these options

    Submitted by: CSS Exam Desk Team

  18. How much amount was allocated for the agriculture sector in the 7th five year plan? (CSS 2012 Pakistan Affairs Paper)

    • Rs.13600 million
    • Rs.14600 million
    • Rs.15600 million
    • None of these

    Submitted by: CSS Exam Desk Team

  19. how many lashes is the punishment of adultry in quraan is? (CSS 2012 Islamic Studies Paper)

    • 60
    • 50
    • 70
    • 100

    Submitted by: CSS Exam Desk Team

  20. The Partition of Bengal was annulled in the year? (CSS 2018 Pakistan Affairs Paper)

    • 1905
    • 1911
    • 1913
    • 1914

    Submitted by: CSS Exam Desk Team

  21. The Capital of Argentina is? (CSS 2009 Current Affairs Paper)

    • Columbia
    • Barcelona
    • Buenos Aires
    • Peru

    Submitted by: CSS Exam Desk Team

  22. The Killer Mountain is? (CSS 2014 Current Affairs Paper)

    • K2
    • Nanga Parbat
    • Kangchenjunga
    • None of these

    Submitted by: CSS Exam Desk Team

  23. The SYNONYM of the word \"CRUDE\" is? (CSS 2018 English Precis & Composition Paper)

    • Moral
    • Decent
    • Refined
    • Untreated

    Submitted by: CSS Exam Desk Team

  24. The Chauri Chaura incident took place at Chauri Chaura in Gorakhpur on? (CSS 2020 Pakistan Affairs Paper)

    • 4 February 1922
    • 8 February 1923
    • 8 February 1922
    • 8 February 1923

    Submitted by: CSS Exam Desk Team

  25. Who was the editor of The Comrade? (CSS 2018 Pakistan Affairs Paper)

    • Mukhtar Ahmed Ansari
    • Mujibur Rahman Khan
    • Maulana Mohammad Ali Johr
    • None of these

    Submitted by: CSS Exam Desk Team