State of Matter and Properties (Part 1)

Which of the following statement on solid, liquid and gas is correct?

• Solid has fixed volume but no fixed shape

• Gas has no fixed volume but has fixed shape

• Gas has no fixed volume and no fixed shape

• Liquid has fixed volume and fixed shape

The arrow refers to

• primary bonding

• intermolecular bonding

• secondary bonding

• intramolecular bonding

Which of the compound has highest boiling point and why?

• n-pentane. strong intermolecular bonding

• isopentane. strong intermolecular bonding

• neopetane. strong intramolecular bonding

• none of the answers are correct

Methane (with formula CH4) is polar or non-polar?

• polar

• non-polar

• neither both

• both polar and non-polar are correct

Which of the following is not a physical property?

• boiling point

• colour

• mass

• chemical bonds

The specific gravity of crude oil is 0.82. What is the API gravity?

• 45.3

• 41.1

• 35.5

• 25.6

Brunei crude oil benchmark is?

• Tapis

• Brent

• WTI Crude

• Dubai/Oman

Light crude oil has

• light colour

• high API gravity value

• low boiling point

• All of the answers are correct

Viscosity is the resistance of fluid/gas to flow. Which of the following is correct?

• Heavy crude oil has low viscosity

• Light crude oil has low viscosity

• Light crude oil has high viscosity

• none of the answers is correct

Which of the following statement on chemical bonding is correct?

• chemical bonding determines boiling point of substance

• chemical bonding determines the colour of substance

• chemical bonding determines odour of substance

• chemical bonding determines length of substance