ENTRANCE TEST – 2015 Multiple Questions and Answers.




11.When the change in concentration is 6 x 10-4 mol dm-3 and time for that change is 10 seconds, the rate of reaction will be
A. 6 × 10-3 mol dm-3 sec-1
B. 6 × 10-4 mol dm-3 se -1
C. 6 × 10-2 mol dm-3 sec-1
D. 6 × 10-5 mol dm-3 sec-1

12.Which one of the following will have the smallest radius?
A. Al+3
B. Si+4
C. Mg+2
D. Na+1

13.Keeping in view the size of atoms, which order is correct?
A. N > C
B. P > Si
C. Ar > Cl
D. Li > Be

14.Which one of the following gases is used as mixture for breathing by sea divers?
A. Oxygen and Nitrogen
B. Nitrogen and Helium
C. Helium and Oxygen
D. Helium and Hydrogen

15.[Ti(H2O)6]+3 transmits
A. Yellow and Red light
B. Yellow and Blue light
C. Red and white light
D. Red and blue light

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