Upto which element the Law of Octaves was found to be applicable? [A] Carbon [B] Calcium [C] Iron [D] Copper
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Calcium
Which of the following represents the reaction of Calcium oxide and water to form Slaked lime? [A] Displacement reaction [B] Combination reaction [C] Double Displacement reaction [D] None
Which of the following elements has the largest atomic radii? [A] Lithium [B] Beryllium [C] Boron [D] Carbon
Which of the following is true about a water molecule? [A] It has a bent-shaped structure [B] The bond angle is 120° [C] It is a non-polar solvent [D] All of the above
Choose the correct statement about covalent compounds? [A] The forces of interaction between them is weak [B] They are poor conductors of electricity [C] Both a and b [D] None of the above
Which of the following factors affect the lattice energy of an ionic compound? [A] Size of the ion [B] Charge of the ion [C] Both a and b [D] None of the above
What is the bond formed due to the electrostatic attraction known as? [A] Covalent bond [B] Electrovalent bond [C] Electromagnetic bond [D] Polar bond
What is meant by Bond length of two bonded atoms in a molecule? [A] equilibrium distance between their valence electrons [B] equilibrium distance between their outermost shell [C] equilibrium distance between their nuclei [D] twice the distance between their valence electrons
What is the relationship between bond energy and bond length? [A] Bond energy is independent of bond length [B] Bond energy increases with the increase of bond length [C] Bond energy decreases with the increase of bond length [D] None of the above
What is the dipole moment in BF3 molecule? [A] 0 [B] 1 [C] 1.85 [D] 6.22
Which of the following gas is liberated when a metal reacts with an acid? [A] Oxygen [B] Hydrogen [C] Carbon dioxide [D] Nitrogen
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