This chapter is currently out of syllabus
1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following process will produce hard water?
A
Saturation of water with MgCO3
B
Saturation of water with CaSO4
C
Addition of Na2SO4 to water
D
Saturation of water with CaCO3
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which of the following could act as a propellant for rockets?
A
Liquid oxygen + liquid argon
B
Liquid hydrogen + liquid oxygen
C
Liquid nitrogen + liquid oxygen
D
Liquid hydrogen + liquid nitrogen
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