Online GK Series

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General Awareness - Science Multiple Choice Questions and Answers for Competitive Exams

26 Which of the following elements is non-radioactive ?
A Uranium
B Thorium
C Plutonium
D Zirconium

Answer: Option [D]
27 What is the purest form of iron ?
A Steel
B Cast iron
C Pig iron
D Wrought iron

Answer: Option [D]
28 Which of the following metals form an amalgam with other metals ?
A Lead
B Tin
C Zinc
D Mercury

Answer: Option [D]
29 Which of the following is the main nitrogenous waste in humans ?
A Ammonia
B Urea
C Uric Acid
D Ammonium Nitrate

Answer: Option [C]
30 Drinking soda is :
A Alkaline
B Acidic
C Neutral
D Oxidant

Answer: Option [B]


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