Kerala PSC Examination Expected Questions - 317

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1. Most electro positive element is?
Answer :- Francium

2. Which acid is known as oil of vitriol?
Answer :- Sulfuric acid

3. The element with atomic number 111?
Answer :- Roentgenium

4. The first artificial element is?
Answer :- Technetium

5. The largest group in periodic table?
Answer :- Alkali metals

6.  The hydrocarbons in a gaseous form?
Answer :- Natural gas

7. Chemically insulin is a?
Answer :- Peptide

8. Black twins is a name given to?
Answer :- Iron and Coal

9. Father of Indian Atomic Research?
Answer :- Dr.Homi Jahangir Bhaba

10. Soaps are obtained from oils and fats by?
Answer :- Saponification