A. Ammonia (both aqueous & anhydrous)
B. Fruit juices, milk & its products and caustic soda solution
C. Nitric acid & hydrochloric acid (concentrated)
D. Sulphuric acid (concentrated)
Related Mcqs:
- Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ?
A. Invar
B. Constantan
C. Chromel
D. Alumel - Lead lined equipments & vessels are suitable for handling __________________?
A. Hydrochloric acid (10%)
B. Nitric acid
C. Sulphuric acid upto 60°C
D. All A., B. and C. - Addition of 2% nickel in steel makes it suitable for making ___________________?
A. Electronic valves
B. Boiler plates, rivets etc.
C. Turbine blades
D. Connecting rod - Alinco, which is a aluminium-cobalt-nickel steel, is used for making __________________?
A. Surgical instruments
B. Powerful magnets
C. Chemical equipments
D. Boiler tubes - German silver is an alloy of copper, nickel and________________?
A. Zinc
B. Silver
C. Tin
D. Lead - A steel alloy containing 36% nickel is called _____________________, which has a zero co-efficient of expansion?
A. Austenitic stainless steel
B. Heat resisting steel
C. Invar
D. High speed steel - Pure nickel is___________________?
A. Ferromagnetic above its curie point (i.e., 415°C)
B. Having h.c.p. crystal lattice
C. Ferromagnetic at room temperature
D. Not resistant to oxidation at high temperature - Nickel (76%) and chromium (15%) alloys are termed as______________________?
A. Inconel
B. Monel
C. Aluminium bronzes
D. Brass - Invar used in thermocouples is an alloy of nickel and________________?
A. Iron
B. Copper
C. Chromium
D. Lead - Which of the following is not a nickel based alloy ?
A. Inconel
B. Hastelloys
C. Nimonics
D. Babbitt metal
