CHEMISTRY QUIZ

ISAAC NEWTON

JOHN DALTON

DEMOCRITUS

MAHARISHI KANNADA

2

4

5

3

the process by which a substance in its liquid state changes to its vapour state is called fusion .

the process by which substance in its gaseous state changes into liquid state is called fusion .

the process by which a substance in its solid state changes to its liquid state on heating is called fusion .

the process by which is substance directly changes from its solid state to its gaseous state is called fusion .

NaCO₂ ^.10H₂O

NaCO₃ ^.11H₂O

NaCOO₃ ^.10H₂O

NaCO₃ ^.10H₂O

ONLY A

ONLY B

BOTH B AND C

BOTH A ND C

a) OH⁺

b) PO₃^{4 -}

^c) CH₃CO^-

^d) CaCl₄

a) OH¯

b) PO₄^{3 -}

^c) CH₃COO^-

^d) CaCl₂

a) HOH¯

b) PO₄^{3 +}

^c) COH₃COO^-

^d) CaCl₂O

a) HO¯

b) POO₄^{3 -}

^c) CH₃COO^3-

^d) CaCl₄