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Everyday Science Questions & Answers Section 66

Ques No.1: Electron in its ground state does not?

Ans: Radiate energy

Ques No.2: Number of periods in modern periodic table is?

Ans: 7

Ques No.3: Which of the following is transition elements?

Ans: Cu

Ques No.4: Ink spreads in water because of?

Ans: Diffusion

Ques No.5: Lower the pH value_________will be an acid.

Ans: Stronger

Ques No.6: Which of the following is an organic compound?

Ans: C2H2

Ques No.7: Which one of the following is the general formula of alkenes?

Ans: CnH2n

Ques No.8: The Homologues has the same?

Ans: Chemical Properties

Ques No.9: Carbon atom usually?

Ans: Forms four covalent bonds

Ques No.10: Organic radical with general formula CnH2n+1 is?

Ans: Alkyl

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