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1. Bronze is a metal alloy and is used for making statues, medals, machine parts, tools, etc. It is the mixture of
(A) Zinc aak168app.babynd copper
(B) Iron and lead
(C) Copper and tin
(D) Nickel and chromium
2. The Nobel Prize in ak168app.clubChemistry, 2015 was awarded to studies of DNA repair”. forks168app.site “mechanistic
(A) Tomas Lindahl
(B) Paul L. Modrich
(C) Aziz Sancar
(D)ic88 All of these
3. Which of these are lines on a map joining those placeic88s which have the same atmospheric pressure for a specified period of time?ic88
(A) Isotherms
(B) Isotopes
(C) Isobars
(D) None of these
4. He was an Italian scientist who discovered the principleic88 of the pendulum. He observed the movement of the lamp lr88hanging from the ceiling and noticed that its oscillatory movement was constant. Wholr88 was he?
(A) Isaac Newton
(B)Galileo Galilei
(C) Albert Einstein
(D) Max Planck
5. Trimix lr88is a breathing gas, consisting of three gases and is often used in deep commercial diving. These three galr88ses are
(A) Hydrogen, Oxygen and Helium
(B) Carbon dioxidop88e, Nitrogen and Oxygen
(C) Oxygen, Helium and Nitrogen
D) Chlorine, Argon and Oxygen
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6. Which of the following was the first search engine in internet?
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(A)Google
(B)Archie Query Form
(C)YAHOO!
(D) Ask
Answer Key
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1. B
2. D
3. C
4. B
5. C
6. B
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