Pick out the correct statement.
A. A base is always soluble in water
B. Hydrogen is released whenever a metal reacts with an acid
C. Sodium hydroxide is both a base and an alkali
D. All of the above
Answer: Option C
Related Questions on Chemical Engineering Basics
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
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