chemical formula and chemical equations

mcqspedia.com has 5 Question/Answers about Topic chemical formula and chemical equations

Representation of a chemical reaction in shorthand way is via a

Representation of a chemical reaction in shorthand way is via a
  • A. symbol equation
  • B. formula
  • C. covalent bonds
  • D. word equation
  • Correct Answer: Option A

Element which is never found completely pure in nature is

Element which is never found completely pure in nature is
  • A. iron
  • B. copper
  • C. mercury
  • D. hydrogen
  • Correct Answer: Option A

Number of positive ions balances number of negative charges so as to neutralize compound and gives charge

Number of positive ions balances number of negative charges so as to neutralize compound and gives charge
  • A. one
  • B. unit
  • C. zero
  • D. negative
  • Correct Answer: Option C

Ions which are composed of more than one type of atom are called

Ions which are composed of more than one type of atom are called
  • A. ionic compounds
  • B. covalent compounds
  • C. compound ions
  • D. ionic ions
  • Correct Answer: Option C

During a chemical reaction, atoms can not be

During a chemical reaction, atoms can not be
  • A. created
  • B. destroyed
  • C. converted
  • D. both A and B
  • Correct Answer: Option D