A. Aqua regia
B. Ferrous sulphate
C. Hydrochloric acid (10%)
D. None of these
Related Mcqs:
- Concrete tank can be used to store________________?
A. Alum
B. Ferrous sulphate
C. Sulphuric acid
D. Saturated brine - Carbon tetrachloride can be stored in a storage vessel made of________________?
A. High silicon iron (14% Si)
B. Tin
C. Stainless steel
D. All A., B. and C. - Refined acetic acid storage vessel are made of___________________?
A. Copper
B. Aluminium
C. High carbon steel
D. Nickel - Mild steel storage vessels are suitable for the storage of___________________?
A. Anhydrous ammonia
B. Fatty acids
C. Hydrochloric acid (95%)
D. Sulphuric acid (25%) - Alinco, which is a aluminium-cobalt-nickel steel, is used for making __________________?
A. Surgical instruments
B. Powerful magnets
C. Chemical equipments
D. Boiler tubes - Purity of electrical grade aluminium should be ≥ _____________ percent?
A. 95
B. 99.5
C. 85
D. 90 - Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its___________________?
A. High strength to weight ratio
B. Low temperature strength properties
C. Its ability to be cast, rolled, forged & stamped
D. High strength and corrosion & oxidation-resistance at elevated temperature - Aluminium as a material of construction suffers from the disadvantage of__________________?
A. Very high cost
B. Rather low tensile strength
C. Very low strength to weight ratio
D. Scarce availability - Aqueous nitric acid is stored in ______________ vessel?
A. Plain carbon steel
B. Stainless steel
C. Cast iron
D. Thermosetting plastic material - Most suitable material for high pressure vessel operating at 500 atm. and 500° C is__________________?
A. Molybdenum stainless steel
B. 18/8 stainless steel
C. Mild steel
D. High silicon iron (14% Si)
