Chemistry

Which conduct electricity?

• Hydrogen

• Nitrogen

• Ammonia

• Sulfur

Which is the uses of nitrogen ?

• As a cleaning agent

• Make ammonia

• Freezing food

• Make explosive stuff

What is the name of Mg3P2?

• Magnesium phosphate

• Magnesium phosphide

• Magnesium phosphite

• Magnesium phosphorus

What is the force between Ionic compound?

• Intermolecular force

• Van der waal's force

• Electrostatic force

• Van der wal's force

Which is the physical properties of ionic compound?

• Soluble in water

• Volatile

• Soluble in organic solvent

• Conduct electricity in solid state

• High melting point and boiling point

Which following is correct about diamond structure?

• Made up of carbon

• Conduct electricity

• Giant covalent

• Hexagonal structure

• Tetrahedral structure

What is the similarities between diamond structure and graphite structure?

• Made up of carbon

• Isotopes of carbon

• Both can conduct electricity

• Very hard

• Giant covalent

Which is the physical properties of silica/silicon dioxide /silicon (IV) oxide ?

• Low melting point

• Soft

• Conduct electricity

• Transparent

Which following about metallic bonding is correct?

• Electrostatic force

• Intermolecular force

• Giant covalent

• Giant lattice structure

Special question by Mr. Chong Xina: To make Lao Gan Ma,we need....

• 1 teaspoon of sussy vaka

• 3 tablespoons of sussy garlic

• 6.9 tablespoons of sussy onion

• Pink sauce