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The statement is correct. Option b) A chemical equation informs us about the symbols and formulae of the substances involved in a reaction. The statement is true. Option c) A chemical equation tells us about the atoms or molecules of the reactants and products in a reaction.
3 days ago · To reach the correct answer, let us examine each option one by one: In India, the same person cannot be appointed as Governor for two or more States at the same time - This option is incorrect because according to the 7th Constitutional Amendment Act of 1956, the same person can be appointed as Governor for two or more States at the same time.
IIT JEE 1998: Which of the following statement (s) is/are correct when a mixture of NaCl and K2Cr2O7 is gently warmed with conc. H2SO4 ? (A) A deep red.
Correct option is D. Heat involved in chemical reaction is path independent physical quantity. Heat and work are not thermodynamic properties and work done is independent of the object's path in a conservative force.
Solution. Verified by Toppr. Correct option is C. Autoprotolysis constant of water increases with temperature. The following statements B and C are correct. (A) The pH of 1.0×10−8M solution of HCI cannot be 8 as it is not an alkaline solution that has a pH greater than 7. (B) The conjugate base of H 2 P O 4 − i s H P O 4 2 − .
1 day ago · Inflation and unemployment. View Solution. Consider the following information: Consumption (𝐶) = 250 + 0.25, where is disposable income Autonomous Investment () = 100. Government Expenditure () = 50. Income tax rate (𝑡) = 20 percent. The equilibrium level of consumption in the economy is ____ (in integer).
Correct Answer: Both I and II Solution : Statement I: Marks obtained by S1 and S2 = 60 + 80 = 140 Average = $\frac{140}{2}$ = 70 Statement I is true. Statement II: The ratio of marks obtained by Q in S3 to the marks obtained in S4 are $130 : 70 = 13 : 7$ Statement II is true. So, both statements are true. Hence, the correct answer is both I and II.
Solution. The correct option is A K2Cr2O7 solution becomes yellow on increasing pH beyond 7. (A) Organe colour of Cr2O2– 7 is due to charge tranfer spectra. (B) Because of hygroscopic nature of N a2Cr2O7, it is difficult to prepare its standard solution for volumetric analysis.
Statement - I : If in a zero order reaction, the concentration of the reactant is doubled, the half-life period is also doubled. Statement - II For a zero order reaction, the rate of reaction is independent of initial concentration.
Statement: Encapsulates an SQL statement which is passed to the database to be parsed, compiled, planned, and executed. ResultSet: The ResultSet represents a set of rows retrieved due to query execution.
