Related InterviewSolutions

• A galvanometer of resistance 30 2 is connected to a battery of emf 2 V with 1970 Q resistance in series. A full scale deflection of 20 divisions is obtained in the galvanometer. To reduce the deflection to 10 divisions, the resistance in series required isA. `4030 Omega`B. `4000 Omega`C. `3970 Omega`D. `2000 Omega`
• Identify the metal that froms colourless compounds.A. Iron (Z = 26)B. Chromium (Z = 24)C. Vanadium (Z = 23)D. Scandium (Z -21)
• The reaction takes place in two steps as (i) `NO_2Cl(g)overset(K_1)rarrNO_2(g)+Cl(g)` (ii) `NO_2Cl(g)+Cl(g)overset(K_1)rarrNO_2(g)+Cl_2(g)`A. `NO_2Cl(g)`B. `NO_2(g)`C. `Cl_2(g)`D. `Cl(g)`
• Name the reagent that is used in leaching of gold.A. CarbonB. Sodium cyanideC. Carbon monoxideD. lodine
• Average rate of reaction for the following reaction, `2SO_(2)(g)+O_(2)(g)rarr2SO_(3)(g)` is written asA. `(Delta[SO_2])/(Deltat)`B. `(Delta[O_2])/(Deltat)`C. `1/2(Delta[SO_2])/(Deltat)`D. `(Delta[SO_3])/(Deltat)`
• Identify an extensive property amongst the following:A. ViscosityB. Heat capacityC. DensityD. Surface tesion
• How is sodium chromate converted into sodium dichromate in the manufacture of potassium dichromate from chromite ore?A. By the action of concentrated sulphuric acidB. By roasting with soda ashC. By the action of sodium hydroxideD. By the action of limestone
• Identify the compound amongst the following of which 0.1 M aqueous solution has highest boiling point.A. GlucoseB. Sodium chlorideC. Calcium chlorideD. Ferric chloride
• In dry cell, what acts as a negative electrode?A. ZincB. GraphiteC. Ammonium chlorideD. Manganese dioxide
• Which of the following is not an analgesic?A. OfloxacinB. PenicillinC. AminoglycosidesD. Paracetamol