structure of atom | Quizalize

structure of atom

Quiz by molly mathew

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Q 1/12
Score 0
1 mole of oxygen atoms is equal to
29

6.022 x10^22
6.022 x 10 ^23
60.22
12.044 x 10^23

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12 questions

Show answers

Q1
1 mole of oxygen atoms is equal to
6.022 x10^22
6.022 x 10 ^23
60.22
12.044 x 10^23
30s
Q2
35.54 g of BaCl2 reacts with 15 .06 gm of Na2SO4 to form 25.06 gm of BaSO4 and NaCl. Determine the amount of NaCl
21.16 gm
25.54 gm
14.09 gm
15.06 gm
30s
Q3
name the method from its application
evaporation
filteration
centrifugation
decantation
30s
Q4
identify the image seen
molecules
compound
polyatomic molecules
atoms
30s
Q5
If 6 gms of hydrogen combines with oxygen to form water . determine the amount of oxygen required
24gms
32 gms
6 gms
12 gms
30s
Q6
identify the species
polyatomic molecule
compound
polyatomic ion
ion
30s
Q7
two isotopes differ in mass number by 2 but have 6 protons . identify the element
nitrogen
oxygen
chlorine
carbon
30s
Q8
assertion - all inert gases have eight electrons in outermost shell reason:they have completely filled shell
assertion is false and reason is also false
assertion is true and reason is the correct explanation of reason
assertion is false but reason is true explanation
assertion is true but reason is false
30s
Q9
cheese has dispersed phase and dispersion medium
solid and liquid
gas in liquid
solid in solid
liquid and liquid
30s
Q10
colloids cannot be separated by filteration as
as particles float in liquid
particle size is small
particle size is large
colloids are heavy
30s
Q11
Tyndall effect is seen as particles
none of the above
refract light
reflect light
scatter light
30s
Q12
electrolysis of 18 gms of water gives 8 gms of oxygen , while 54 gms of water will give
16 gms of oxygen
24 gms of oxygen
8 gms of oxygen
32 gms of oxygen
30s

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