Choose the option nearest in meaning to the word(s) or phrase underlined
1. You are free to leave the hall
A. at an advantage
B. opportune
C. at liberty
D. right
2. The robbers will surrender their loot to the customs officials
A. give away
B. give out
C. given in
D. give up 
3. The discussion become animated when the professor came in.
A. specialized
B. lively
C. intellectual
D. unruly

4. Three 5 ohms resistance connected in parallel have a potential difference of 60V applied across the combination. The current in each resistor is :
A. 4A
B. 35A
C. 12A
D. 24A 
5.  An object 1cm is placed on the axis 15cm from a converging lens forms an image 30cm from the lens. The size of the image is:
A. 0.5cm
B. 2.0cm
C. 1.5cm
D. 2.5cm
6. When the vapour of a substance is in equilibrium with its own liquid, it is said to be
A. gaseous
B. liquefied
C. saturated
D. diffused

7. The following are uses of sulphur except
A. prevention of the growth fungi
B. vulcanization of rubber
C. manufacture of dyes
D.  coating of steel to prevent rusting 
8. An acid present in protein is
A. lactic acid
B. amino acid
C. palmitic acid
D. stearic acid 
9. The noble gas argon is used for
A. electric welding
B. welding brass
C. Underwater welding
D. steel welding

10. Which of the following compounds has hydrogen bonds between its molecules?
A. HBr
B. HF
C. HC1
D.HI
11. Which of the following properties of atoms generally increase down a group in the
periodic table?
A. Electron affinity
B. Electronegativity
C. Ionic radius
D. lonization energy. 
12. What product is formed at the cathode during the electrolysis of concentrated sodium chloride solution using carbon electrode?
A. chlorine
B. Hydrogen
C. Oxygen
D. Sodium