The electronic configuration of elements A, B, C and D are 6,8,10 and 12 respectively. The two elements which can react to form ionic compounds are
Metal and non metal

Quiz
•
Chemistry
•
10th Grade
•
Medium
Savitha V
Used 21+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A and D
A and C
B and D
B and C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The elements whose oxides can turn phenolphthalein solution pink are
Sodium and potassium
Sodium and sulphur
Potassium and Carbon
Potassium and phosphorus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The elements whose oxides can turn red litmus solution blue are
K and Mg
C and S
Na and C
Mg and S
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the metals are refined by electrolytic refining
i) Ag ii) Cu iii) Na iv) K
i and ii
ii and iii
i and iii
ii and iv
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the experiment colour of copper sulphate changes to
White
Red
Brown
Pale green
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Study the diagram given and identify the gas X formed in the reaction
Carbon dioxide which extinguish burning candle
Oxygen due to which candle burning more brightly
Sulphur dioxide which produces a suffocating smell
Hydrogen while burning candle produces a pop sound
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observe the diagram and reason out for the conduction of electricity in salt
solution not in sugar solution
Salt water have free ions
Salt water have static ions
Salt water have static electrons
Salt water have free electrons
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