Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?
A. Covalent halides
B. Electronegative halides
C. Polymeric halides
D. Polymeric hydrides
Submitted by :- Jamil Ahmed
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
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Oxidation state of an atom represents____________________?
A. Number of electrons gained
B. Number of electrons lost
C. Apparent charge in compound
D. Its vacancies
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Metallic characters of alkali metals_____________________?
A. Increase down the group
B. Decrease down the group
C. No regular trend
D. Remain same
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Addition of 2nd electron to a uni negative ion is always____________________?
A. Exothermic
B. Endothermic
C. Data is insufficient
D. Unpredictable
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Ionization energy depends upon____________________?
A. Nuclear charge
B. Atomic size
C. Shielding effect
D. I.E depends upon all of the above and nature of orbital
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Deuterium reacts with oxygen to form________________?
A. Hard water
B. Heavy water
C. Soft water
D. Water gas
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Which discovery caused a revision in the periodic law as stated by Mendeleev ?
A. Location of nucleus by Rutherford
B. Atomic number by Moseley
C. X-rays by Roentgen
D. Natural radioactivity by Henry Bacquerel.
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Which one of the following is not a periodic property ?
A. Melting point of elements
B. Boiling point of elements
C. Ionization energy of elements
D. Coordination number of ions
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The complete reduction carboxylic acid results in the formation of________________?
A. Alkyne
B. Alkene
C. Alkane
D. Alcohol
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Carboxylic acid reacts with ammonia to form ammonium salts which on heating produces_______________?
A. CO2 C. Ester
B. Alkane D. Acidamide
Submitted by :- Jamil Ahmed