CISCE Board - Class 6

Elements, Compounds & Mixtures question bank (Chemistry)

Practice 261 free CISCE Board - Class 6 Chemistry - Elements, Compounds & Mixtures questions with answers and step-by-step solutions.

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Q1.

Chemical Bonding: What type of bond is formed in 'Introduction to Chemistry and Laboratory Apparatus' by complete transfer of electrons?

(A)
Electrovalent (Ionic) bond (Introduction to Chemistry and Laboratory Apparatus)
(B)
Covalent bond
(C)
Coordinate covalent bond
(D)
None of these
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Q2.

Periodic Table Trends: Moving from left to right across a period in 'Introduction to Chemistry and Laboratory Apparatus', atomic radius:

(A)
Decreases due to increased effective nuclear charge ($Z_{\text{eff}}$) (Introduction to Chemistry and Laboratory Apparatus)
(B)
Increases rapidly
(C)
Remains constant
(D)
None of these
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