F4 KSSM

What is the name of ZnSO₄?

• zinc sulfide
• zinc sulfate
• zinc (II) sulfate
• zinc sulfite

What is the formula for ammonium sulfate?

• NH₄SO₄
• (NH₄)₂SO₄
• NH₄S
• (NH₄)₂S

What is the correct name of the compound CaCl₂?

• Calcium dichloride

• Calcium dichlorine

• Calcium chlorine

• Calcium chloride

Tags

NGSS.MS-PS1-1

What is the name of the compound NH₄OH?

• Nitrogen oxygen hydride

• Nitrogen hydroxide

• Ammonium oxygen hydride

• Ammonium hydroxide

Acid is a chemical compound that ionise in water to produces ____________________

• hydrogen ion , $H^+$

• hydroxide ion , $OH^-$

• oxygen gas, $O_2$

• hydrogen gas, $H_2$

Acids react with

• water to produce bases and salts
• salts to produce bases and water
• neither bases, salts nor water
• bases to produce salts and water

Tags

NGSS.MS-PS1-2

KOH is ...

• an acid

• a base

• a salt

• an ionic compound

What completely ionizes in solution?

• Weak acids

• Strong acids

• Strong Salts

• Neutral salts

Which of the following is a metal?

• Oxygen

• Argon

• Lead

• Silicon

Which is NOT true about Group 1 elements?

• Reactivity increases down the group

• Boiling point increases down the group

• Atomic size increases down the group

• Density increases down the group