14.ASSERTION AND REASON DIRECTION :
In the following questions, a statement of assertion (A) is followed by a statement of
the reason (R). Mark the correct choice as:
(a) Both assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of
assertion (A).
(b) Both assertion (A) and Reason (R) are true but reason (R) is not the correct explanation
of assertion (A).
(c) Assertion (A) is true but reason (R) is false.
Assertion: Pure water obtained from different sources such as a river, well, spring, sea, etc.
always contains hydrogen and oxygen combined in the ratio of 1: 8 by mass.
Reason: A chemical compound always contains the same elements combined in the same fixed
proportion by mass
Assertion: A solution of table salt in a glass of water is homogeneous.
Reason: A solution having different composition throughout is homogeneous.
Answers: 1
Chemistry, 22.06.2019 13:50
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
Chemistry, 22.06.2019 18:30
Which sample at stp has the same number of atoms as 18 liters of ne at stp
Answers: 1
Chemistry, 22.06.2019 23:00
What is the solubility-product constant of barium sulfate, baso4, if a saturated solution is 1.03 ´ 10-5 m?
Answers: 3
Chemistry, 22.06.2019 23:00
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
14.ASSERTION AND REASON DIRECTION :
In the following questions, a statement of assertion (A) is fol...
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