WorksheetsDIAGNOSTIC TEST CLASS IX
Total questions: 17
Worksheet time: 9mins
Identify symbol of sodium
Na
So
Sa
Ne
----------- is the symbol of copper
Ca
Cu
Cp
Co
Basic building unit of matter
molecule
compound
atom
I n --------------two or more elements combined in fixed ratio.
elements
molecule
compound
mixture
In a balanced chemical equation
number of reactants=number of products
Total number of atoms in reactant side=total number of atoms in product side
same type of atoms on both side
2H2+O2 → 2H2O
The given chemical equation is balanced or not?
balanced
not balanced
Identify alkali
NaOH
HCl
H2SO4
Fe(OH)2
The reaction between acid and base
neutralization reaction
decomposition reaction
Two components in solution
solute and solvent
solute and solution
solute and solid
separation technique to separate petrol from crude oil
Fractional distillation
distillation
crystallisation
To obtain pure liquid from a miscible mixture ___________ is used
distillation
fractional distillation
evaporation
condensation
Separating funnel is used to separate;
oil from kerosene
oil from water
oil from acetone
two miscible liquids
Salt is separated from sea water using __________ method
decantation
evaporation
distillation
coagulation
Chlorine is added to water for ----------
coagulation
separating impurities
disinfection
remove sand
Solid, liquid, gas are -----------
components in earth
three nature of matter
three states of matter
For 10 apple 5BD.What is the cost of 1 apple?
1bd
2bd
500fils
Pure substance exmple
elements
solution
muddy water
air
