Naming chemical compounds and Formula writing

Ammonium sulfate is an inorganic salt commonly used as a soil fertilizer, It's chemical formula is______________

• (NH₄)₂SO₄

• NH4SO4

• NH2HSO4

• (NH)4SO₄

POTASSIUM NITRATE, also known as saltpeter is a chemical compound that is used as a major constituent of gunpowder, fertilizers, rocket propellant, and fireworks. It is also used to treat asthma in topical formulations for sensitive teeth and used as a food preservative and additive. Its chemical formula is _________

• KNO5

• KNO₄

• KNO₃

• KNO

Magnesium hydroxide is used as a laxative to relieve occasional constipation. It is used as an antacid to relieve indigestion, sour stomach, and heartburn. The chemical formula of magnesium hydroxide is ___________.

• MGOH

• Mg(OH)₂

• Mn(OH)5

• mG(OH)₂

What is the name of N₂O₃

• Nitrogen trioxide
• Dinitrogen oxide
• Dinitrogen trioxide
• Nitrogen oxide

What is the chemical formula for Tetraphosphorous Pentachloride ?

• ₄P₅Cl

• PCl

• P₄Cl₅

• none of the above

What is the name of CO

• Carbon oxide
• Carbon dioxide
• Carbon monoxide
• Carbon II oxide

Which of the following is the correct name for the chemical formula Ca(NO₂)₂?

• cadmium nitride
• calcium nitrate
• calcium nitrite
• cadmium nitrite

Ca⁺², O^-2

• CaO
• OCa
• Ca_-2O₊₂
• Ca₂O₂

The correct chemical formula for magnesium phosphide is

• MgP
• Mg₂P₃
• Mg₃P₂
• Mg₃(PO₄)₂

K⁺, O^-2

• KO
• K₂O
• K_-2O₂
• O₂K