Which of the following acid is used in Ink?
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✅ Correct answer: D. Tannic
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The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called_______?
✅ A. Metamorphic rocks
The soul of chemistry is dealing with______?
✅ D. Composition and properties of matter
Study of current and past landscapes formation is known as_______?
✅ C. Geo-morphology
Blood which heart pumps to lungs is_____?
✅ B. deoxygenated blood
Which of the following is most elastic ?
✅ B. Steel
Diamond is a very expensive ornament. It is composed of a single element ______?
✅ B. Carbon
Turpentine is obtained from______?
✅ A. Pine tree
The protein content of edible portion of egg is______?
✅ A. 13.30%
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