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✱ Tube light is filled with? – Mercury Vapor & Argon
✱ Other name of “FOOL’S GOLD” is? – Iron Pyrite
✱ Non-stick coating in utensils is of? – TEFLON
✱ Compounds responsible for temporary hardness of water? – Bicarbonates of Calcium and Magnesium
✱ Compounds responsible for permanent hardness of water? – Sulphates and Chlorides of Calcium and Magnesium
✱ Gases used for ripening raw fruits? – Ethylene & Acetylene
✱ Main ore of Mercury is? – Cinnabar
✱ Egg shell is made up of? – Calcium Carbonate
✱ What is contained in Chlorophyll? – Magnesium
✱ From which part of the plant is turmeric obtained? – Stem
✱ Lacrymal glands are situated in the___. – Eye Orbit
✱ Which Part of plant is important for the life cycle of plant? – Flower
✱ Natural rubber is a polymer derived from ______. – Isoprene
✱ ‘Oil of Vitriol’ is ______. – Sulphuric acid
✱ Paper is chemically _______. – Cellulose
✱ Impurity present in ore is ________. – Gangue
✱ Which is known as ‘Metal of Future’? – Titanium
✱ Efficiency of the catalyst depends on its? – Molecular State
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