Earn $100 Online Daily. Work From Home. Click Here

What is the correct answer?


__________ is an ore of lead.

A. Quartz

B. Galena

C. Siderite

D. Chalcopyrite

Related Questions

The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon… Triple superphosphate is manufactured by reacting Ca(OH)2 is called Pick out the false statement pertaining to water treatment. Cumene (isopropyl benzene) is made by Paper pulp produced by Kraft/sulphate process is Molecular weights of polymers are in the range of Concentration of sulphide ores is done usually by The most economical pulp for the production of newsprint would be the… Which of the following fuel gases contains maximum amount of carbon monoxide? The amount of benzene present in pure Benzol is about __________ percent. White phosphorous is stored under water, because Mercury electrolytic cell produces 50-70% NaOH solution. Its operating… Main constituent of dolomite is Esterification reaction produces Thermosetting materials Pick out the wrong statement. Which is a high grade pulp? Blue colour is imparted to glass by the addition of Commercial production of soda ash by Solvay process requires limestone,… Plasticisers are added to paints to Superior quality laboratory apparatus is made of the __________ glass… Low purity oxygen is used for The biochemical treatment applied to sewage effluents is a process of Refractory bricks having high thermal conductivity is desirable, when… Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene… Solvay process is used for the manufacture of Styrene-butadiene-rubber (SBR) as compared to natural rubber has Titanium dioxide is a/an __________ colour pigment. Hydrophilic group of a soap or detergent solution is