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If 1 mole of ____________ is added to 1 dm3 of water, the boiling point of water will decrease.
Concept: undefined >> undefined
For the first order reaction, plot of log10 [A]t against time 't' is a straight line with a negative slope equal to ____________.
Concept: undefined >> undefined
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How many among the following are ferrous alloys?
Nichrome, chromium steel, bronze, brass, stainless steel, Cupra-nickel.
Concept: undefined >> undefined
The rate and the rate constants of the reaction, \[\ce{A + 2B -> C + D}\] are 8 × 10−3 mol dm−3 s−1 and 2 × 10−3 s−1 respectively. The concentrations of A and B are 4 mol dm−3 each. The overall order of the reaction is ____________.
Concept: undefined >> undefined
The compound with the lowest boiling point is ____________.
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Which of the following is a redox reaction?
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The formula of sodium hexanitrocobaltate (III) is, ____________.
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In the electrolysis of brine solution, the reaction which occurs at anode is:
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Among the following, ____________ has the largest atomic radius.
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The order of the reaction for which the unit of rate constant is s−1 is ____________.
Concept: undefined >> undefined
Half-life period of a first order reaction, \[\ce{A -> product}\] is 3.0 hours. What is the value of rate constant?
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The units nanometer and picometer are related as ______.
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What is the change in oxidation number of Sulphur in following reaction?
\[\ce{MnO^-_{4(aq)} + SO^{2-}_{3(aq)} -> MnO^{2-}_{4(aq)} + SO^{2-}_{4(aq)}}\]
Concept: undefined >> undefined
Identify the oxidising agent in the following reaction:
\[\ce{CH4_{(g)} + 2O2_{(g)} -> CO2_{(g)} + 2H2O_{(l)}}\]
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Which of the following compounds is known as slaked lime?
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Sodium crystallizes in bcc structure with radius 1.86 × 10−8 cm. What is the length of unit cell of sodium?
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An element crystallizes bcc type of unit cell, the density and edge length of unit cell is 4 g cm−3 and 500 pm respectively. What is the atomic mass of an element?
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An element with density 2.8 g cm−3 forms fcc unit cell having edge length 4 × 10−8 cm. Calculate molar mass of the element.
Concept: undefined >> undefined
During the electrolysis of aqueous sodium chloride the product obtained at anode is ____________.
Concept: undefined >> undefined
How many electrons flow when a current of 5 amp is passed through a cell for 200 sec?
Concept: undefined >> undefined
