Question set I :
ANSWERS
Q 1) Many Magneto Resonance Imaging (MRI) instruments used in hospitals uses superconducting magnets. Which superconducting material is widely used for MRI magnets?
A) Niobium Titanium (NbTi)
Q 2) Name the piezoelectric crystal,other than quartz,used in conventional gas lighter. This material is of low cost and exhibits high sensitivity and has Perovskite structure.
A) Lead zirconate titante (PZT)
Q 3) What is the catalyst used in Contact process for the manufacture of sulphuric acid?
A) Platinised asbestos, or vanadium pentoxide
Q 4) Name this bright yellow chemical produced by some plants. It is the principal component of turmeric, a member of the ginger family. This component is sold as an herbal supplement, cosmetics ingredient, food flavoring, and food coloring agent.
A) Curcumin
Q 5) Visual question
A) Titanium
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