A. Arsenides of heavy metals
B. Antimonides of heavy metals
C. Arsenides & antimonides of heavy metals
D. Iron, cobalt and nickel
Related Mcqs:
- Tip of the match stick contains a mixture of________________?
A. K + S
B. K + S + K2Cr2O7
C. S + K2Cr2O7 + White P
D. None of these - ‘GASOHOL’ widely used in Brazil as a motor fuel is a mixture of alcohol and____________________?
A. Petrol
B. LPG
C. Light hydrocarbon gases (e.g. butane or propane)
D. None of these - Which of the following materials has the least scrap value ?
A. Aluminium
B. Stainless steel
C. Brass
D. Copper - Which of the following metals cannot be hot worked at room temperature ?
A. Zinc
B. Nickel
C. Lead
D. Tin - A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material ?
A. Steel
B. Glass
C. Rubber
D. Brass - Which of the following is a commonly used manometric liquid for low pressure range ?
A. Ethyl alcohol
B. Carbon tetrachloride
C. Glycerol
D. Ethylene glycol - All of the following alloying elements of steel increases hardness but sacrifice ductility, except________________?
A. Nickel
B. Vanadium
C. Molybdenum
D. Chromium - Which of the following forces does not act on a fluid at rest ?
A. Viscous force
B. Gravity force
C. Hydrostatic force
D. Surface tension force - Out of the following the refractive index is the highest for____________________?
A. Glass
B. Diamond
C. Brine
D. Kerosene - The swift cup test evaluates the following property of a sheet metal ?
A. Stretchability
B. Drawability
C. Bendability
D. None of these
