BJU Science Chapter 11

Which of the following correctly describes the arrangement of pure metallic particles?

• Orderly

  
  

• Loosely packed

• Unevenly spread

• Difficult to slide over

The main component in clay is

• aluminium silicate

• silica

• silicon dioxide

• lead oxide

Tags

NGSS.MS-PS1-1

These apparatus are made from

• Lead crystal glass

• Soda-lima glass

• Fused silica glass

• Borosilicate glass

Which of the following is NOT a characteristic of glass?

• Hard and brittle

• Transparent

• Porous

• Does not conduct heat and electricity

Starch is made from monomers of

• cellulose

• glucose

• amino acids

• isoprene

Tags

NGSS.MS-LS1-7

Polythene is made from monomers of

• ethene

• methyl methacrylate

• chloropylene

• plastic

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-3

Which of the following is a natural polymer?

• Nylon

• Protein

• Glucose

• Amino acid

Tags

NGSS.MS-PS1-3

What is the primary function of the mitochondria in a cell?

• Energy production

• Protein synthesis

• DNA replication

• Photosynthesis

Tags

NGSS.MS-LS1-7

NGSS.MS-LS1-2

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Helium

• Carbon

What is the chemical formula for table salt?