The traffic lights at three different road crossing change after every 48 sec , 72 sec, and 108 sec. Respectively . If they all change simultaneously at 8 : 20 : 00 hours , then at what time will they again change simultaneously ?

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#Question id: 299

#XL - Q Biochemistry

Which bond acts like a bridge two molecules formed by a covalent bond?

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#Question id: 300

#XL - Q Biochemistry

Hydrogen bonding occurs in molecules when ___________________.

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#Question id: 301

#XL - Q Biochemistry

What explains the very high melting and boiling point of water?

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#Question id: 302

#XL - Q Biochemistry

Which of the following statements regarding covalent bond is not true?

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#Question id: 303

#XL - Q Biochemistry

Which condition favors the bond formation______

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#Question id: 304

#XL - Q Biochemistry

As compared to covalent compounds electrovalent compounds generally possess ___________