Chemistry Class 9 Unit 1

The branch of Chemistry which deals with substances containing $carbon$  is called ___________________ .

• Organic

• Inorganic

• Industrial

• Analytical

Tags

NGSS.HS-LS1-6

Biochemistry deals with ___________________

• changes in $living\ \ organisms$

• $laws\ \&\ theories$

• use of technology

• chemicals & toxic substances

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

NGSS.HS-LS2-3

The production of useful substances by use of technology is studied under which branch of chemistry?

• Biochemsitry

• Analytical Chemistry

• Environmental Chemsitry

• Industrial Chemistry

Carbon containing compounds such as $CO_2^{ }$  & $bicarbonates$  are studied in ___________________. 

• Organic Chemistry

• Inorganic Chemsitry

• Analytical Chemistry

Tags

NGSS.HS-LS1-6

The method and instrument used to measure the $Melting\ \&\ Boiling\ point$   of a substance is studied under ______________.

• Industrial Chemistry

• Biochemistry

• Environmental Chemistry

• Analytical Chemistry

Identify the branch of chemistry:
An analyst determines that  $NO_2$  is responsible for acid rain. _______________________

Identify the branch of chemistry:  $\alpha-particles$  when bombarded on nitrogen atom, a proton is emitted._______________________.

Tags

NGSS.HS-PS1-8

Identify the branch of chemistry: Gases can be compressed by applying pressure.____________________

A substance whose all the atoms have same atomic number is called ____________________.

• Element

• Molecule

• Compound

Properties of a compound are __________________ the properties of elements from which they are formed.

• same as

• different from