A. Roasting
B. Oxidation
C. Zone Refining
D. Electrolysis
Submitted by: WIQAR AHMAD
Correct Answer: Roasting ✔
Last Updated: April 09, 2018
Related MCQs
- Periodontics deals with __________?
- Fuzzy logic is a part of__________?
- Circadian Rhythm refers to __________?
- What is it called when the Earth is closest to the sun __________?
- Earth is closest to the sun every year in early , when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________, during our Northern Hemisphere summer.
- An extremely small piece of silicon on which integrated circuits are implicated is called __________?
- The property of a substance to absorb moisture from the air on exposure is called__________?
- The variety of coal in which the deposit contains recognizable traces of the original plant material is__________?
- Bromine is a__________?
- what is the height of The atmosphere layer mesosphere?
- Second layer of Earth’s atmosphere is__________?
- Border line which separates outer space from Earth’s atmosphere is known as__________?
- Places experiencing equal impact of an earthquake are called__________?
- A man can survive without food for atleast?
- Which of the following is a mammal?
- Hydrogen peroxide (H2O2)__________?
- Study of the Universe is known as__________?
- Approximately how many Galaxies are there ?
- Big Bang theory explains__________?
- Big Bang was an explosion that occurred ?
- Which is correct order of solar system starting from Sun ?
- Diameter of Sun is__________?
- Intrinsic Semi-conductor is also known as__________?
- On passing through food stuff, X-ray can kill the__________?
- Vitamin A is found in the__________?
- The protein content of edible portion of egg is__________?
- Alzheimer’s disease in human beings is characterized by the degeneration of _______
- The protein content in wheat is approximately__________?
- Average salinity or ratio of salt as per kilogram of water of ocean is__________?
- Sum of all ecosystems is classified as__________?
- Pedosphere is sum of__________?
- Ice mass that covers more than fifty-thousand square kilometers of land area is classified as__________?
- Evaporation from ice and snow is known as__________?
- What is the name of the central part of the earth?
- The rocks formed out of layers of sediment bonded together are known as __________?
- Which one is the world’s largest mangrove forest(s)?
- The point that lies directly above the source of an earthquake is known as __________ ?
- What is/are the basic purpose(s) of dams?
- Which one of the following can be synthesized by Liver _______?
- Which among the following is responsible for producing color of human skin ___?
- In which part of the eye lies the pigment that decides the colour of the eyes of a person___?
- Magnalium is an alloy of__________?
- Which of the following metal occurs in free state __________?
- The vitamin which is generally excreted by humans in urine is__________?
- The Virus of AIDS affects the growth of__________?
- The total energy of revolving electron in an atom__________
- Muscle fatigue is caused by the accumulation of__________?
- An element that does not occur in nature but can be produced artificially is__________?
- What is the element required for solar energy conversion ______?
- The ratio of pure gold in 18 carat gold is __________?
- Which pollutant from motor car exhaust causes mental disease _____?