SINDH MDCAT 2021

1. An orbital is possible for which angular momentum

B

A

C

D

2. In $Cl$ 35.5, the 0.5 is due to:

Half electron

Isotopes

Half neutron

Half proton

3. Which one of the following cannot penetrate the skin

Beta particles

Gamma rays

X-rays

Alpha particles

4. The structure of NaCl (sodium chloride) is:

Hexagonal Close-Packed (HCP)

Simple Cubic (SC)

Face-Centered Cubic (FCC)

Body-Centered Cubic (BCC)

5. The halogen in a primary alkyl halide is attached to:

1 carbon only

3 carbons

2 carbons

a benzene ring

6. The energy of a neutralization reaction is:

−74.65kJ mol −1

−57.46kJ mol −1

−65.74kJ mol −1

−46.57kJ mol −1

7. Positive ions in the cathode rays experiment move towards:

Anode

Neutron

Proton

Cathode

8. The color of light emitted from hot objects is typically:

Green

Yellow

Blue

Red

9. The kinetic molecular theory of gases suggests that the size of gas molecules is:

Large

Negligible

Comparable to the volume of the container

Significant

10. If the volume of a gas is reduced from , the pressure will become:

4P

P

P/2

2P

MDCAT 2021 ( PART 5)