Write the name and symbol of the main ore of Zinc .

Description : At a site, low grade copper ores are available and zinc and iron seraps are also available. Which of the two seraps will be more suitable for reducing the leached copper ore and why ?

Last Answer : Ans. : The E0 value for the redox couple Zn2+/ Zn(-0.76V) is more negative than that of Fe2+/ Fe(- 0.44) redox couple. Therefore, Zinc is more reactive than iron and hence reduction will ... Zinc seraps are used, But Zinc is a costier metal than iron so using iron scraps would be more economical.

Bauxite is an ore of-----? A. copper B. zinc C. aluminium (Answer) D. iron

Description : Bauxite is an ore of-----? A. copper B. zinc C. aluminium (Answer) D. iron

Last Answer : C. aluminium (Answer)

Sphalerite is a primary ore of which of the following metals? w) zinc x) tin y) copper z) iron

Description : Sphalerite is a primary ore of which of the following metals? w) zinc x) tin y) copper z) iron

Last Answer : ANSWER: W -- ZINC

Galena is a primary ore of which of the following metals? w) zinc x) tungsten y) lead z) silver

Description : Galena is a primary ore of which of the following metals? w) zinc x) tungsten y) lead z) silver

Last Answer : ANSWER: Y -- LEAD

Hematite is a primary ore of which of the followin metals? w) zinc x) tungsten y) iron z) none of the above

Description : Hematite is a primary ore of which of the followin metals? w) zinc x) tungsten y) iron z) none of the above

Last Answer : ANSWER: Y -- IRON

What is the symbol of zinc ?

Description : What is the symbol of zinc ?

Last Answer : Zn symbol Zn .

What is the symbol zinc sulfate?

Description : What is the symbol zinc sulfate?

Last Answer : The chemical formula (not symbol) of zinc sulfate is ZnSO4.

Name any three major iron ore belts found in India. Write main feature of each. -SST 10th

Description : Name any three major iron ore belts found in India. Write main feature of each. -SST 10th

Last Answer : (i) Orissa - Jharkhand belt with sufficient (25%) deposits of high grade haematite ore. (ii) Bellary - Chitraduraga - Chikmaglur - Tumkur belt possess 26 percent of the total iron ore of ... - Baster - Chandrapur belt lies in Chhatisgarh and Maharashtra, consisting of very high grade haematite ore.

Name the ore of aluminium. Describe two main uses of aluminium. -Geography

Description : Name the ore of aluminium. Describe two main uses of aluminium. -Geography

Last Answer : Ore of Aluminium is Bauxite Two uses of Aluminium. 1. In Aircraft industry 2. In Electrical wires industry

What are the main qualities of iron ore deposit in India? -Geography

Description : What are the main qualities of iron ore deposit in India? -Geography

Last Answer : The rocks and minerals from which metallic iron can be economically extracted is called iron ore. This mineral is used to make pig iron which in turn is used to make steel making it the ... and time required in the formation of minerals have led to this uneven distribution of minerals in India.

What are the two main qualities of iron ore deposits of India? -SST 10th

Description : What are the two main qualities of iron ore deposits of India? -SST 10th

Last Answer : Two qualities of iron ore: 1. Iron ore is the basic mineral and the backbone of industrial development. 2. It provides a strong base for the development of metallurgical industries. They are ... per cent). The major iron-ore producing states are Karnataka, Orissa, Chhattisgarh, Goa and Jharkhand.

What are the names and symbols of the main ore of Magnesium ?

Description : What are the names and symbols of the main ore of Magnesium ?

Last Answer : The main ore of magnesium is called Magnesite and its symbol is MgCO3 .

Statement-I : `CuFeS_(2)` is concentrated by froath floatation method Statement-II : `CuFeS_(2)` is main ore of copper.

Description : Statement-I : `CuFeS_(2)` is concentrated by froath floatation method Statement-II : `CuFeS_(2)` is main ore of copper.

Last Answer : Statement-I : `CuFeS_(2)` is concentrated by froath floatation method Statement-II : `CuFeS_(2)` is main ore of copper.

Carnalite is present in sea water mainly. It is the main ore of magnesium which has the chemicakl fromula `MgCl_(2).KCl.xH_(2)O` . The value of x is .

Description : Carnalite is present in sea water mainly. It is the main ore of magnesium which has the chemicakl fromula `MgCl_(2).KCl.xH_(2)O` . The value of x is .

Last Answer : Carnalite is present in sea water mainly. It is the main ore of magnesium which has the chemicakl fromula `MgCl_(2).KCl.xH_(2)O` . The value of x is .

The main reactions occuring in blast furnace during extraction of iron from haematite ore…..

Description : The main reactions occuring in blast furnace during extraction of iron from haematite ore…..

Last Answer : The main reactions occuring in blast furnace during extraction of iron from haematite ore .. A. `Fe_(2)O_ ... 3Cto2Fe+3CO` D. `CaO+SiO_(2)toCaSiO_(2)`

The main ore of iron is?

Description : The main ore of iron is?

Last Answer : Haematite

The main ore of aluminium is?

Description : The main ore of aluminium is?

Last Answer : Bauxite

The main ore of thorium is (A) Pitchblende (B) Monazite sand (C) Limonite (D) Galena

Description : The main ore of thorium is (A) Pitchblende (B) Monazite sand (C) Limonite (D) Galena

Last Answer : (B) Monazite sand

The main ore of uranium is (A) Pitchblende (B) Monazite sand (C) Cassiterite (D) Chalcopyrite

Description : The main ore of uranium is (A) Pitchblende (B) Monazite sand (C) Cassiterite (D) Chalcopyrite

Last Answer : (A) Pitchblende

The main ore of Tin?

Description : The main ore of Tin?

Last Answer : Cassiterite

Which is the main ore of Aluminium is?

Description : Which is the main ore of Aluminium is?

Last Answer : Bauxite

Which is the main reducing agent during production of iron from iron ore in a blast furnace? (A) C (B) CO (C) CO2 (D) H2

Description : Which is the main reducing agent during production of iron from iron ore in a blast furnace? (A) C (B) CO (C) CO2 (D) H2

Last Answer : (B) CO

Chalcopyrite is the main ore of(A) Copper(B) Lead(C) Tin(D) Iron

Description : Chalcopyrite is the main ore of (A) Copper (B) Lead (C) Tin (D) Iron

Last Answer : (A) Copper

The main charge in blast furnace is usually (A) Iron ore & coke (B) Iron ore, coke & air (C) Limestone, coke & iron ore (D) Limestone, sand & iron ore

Description : The main charge in blast furnace is usually (A) Iron ore & coke (B) Iron ore, coke & air (C) Limestone, coke & iron ore (D) Limestone, sand & iron ore

Last Answer : Limestone, coke & iron ore

Which of the following contributes maximum as main source of sulphur in the blast furnace charge? (A) Sinter (B) Coke (C) Iron ore (D) Limestone

Description : Which of the following contributes maximum as main source of sulphur in the blast furnace charge? (A) Sinter (B) Coke (C) Iron ore (D) Limestone

Last Answer : Coke

What is the main function of zinc in the plants ? (A) Synthesis of nitrogen (B) Synthesis of phosphorus (C) Required for synthesis of Tryptophos (D) To increase activity of the boron

Description : What is the main function of zinc in the plants ? (A) Synthesis of nitrogen (B) Synthesis of phosphorus (C) Required for synthesis of Tryptophos (D) To increase activity of the boron

Last Answer : (C) Required for synthesis of Tryptophos

The main cause of leaf mottle disease in citrus is due to the deficiency of - a) Manganese b) Sulphar c) Zinc d) Iron

Description : The main cause of leaf mottle disease in citrus is due to the deficiency of - a) Manganese b) Sulphar c) Zinc d) Iron

Last Answer : c) Zinc

The main component of Pyrex glass is (A) Zinc (B) Lead (C) Boron (D) Selenium

Description : The main component of Pyrex glass is (A) Zinc (B) Lead (C) Boron (D) Selenium

Last Answer : (B) Lead

In radio signal emission designation, the fifth symbol means A. Details of signals B. Type of information transmitted C. Nature of multiplexing D. Nature of signal modulating the main carrier

Description : In radio signal emission designation, the fifth symbol means A. Details of signals B. Type of information transmitted C. Nature of multiplexing D. Nature of signal modulating the main carrier

Last Answer : C. Nature of multiplexing

In radio regulation, the first symbol in the designation of radio emission is ______. A. Bandwidth B. Nature of signal(s) modulation the main carrier C. Type of modulation of the main carrier D. Type of information to be transmitted

Description : In radio regulation, the first symbol in the designation of radio emission is ______. A. Bandwidth B. Nature of signal(s) modulation the main carrier C. Type of modulation of the main carrier D. Type of information to be transmitted

Last Answer : C. Type of modulation of the main carrier

Refers to the first symbol in an emission designation with an amplitude modulated main carrier represented by letter H. A. Single sideband suppressed carrier B. Double sideband full carrier C. Independent sideband D. Double sideband

Description : Refers to the first symbol in an emission designation with an amplitude modulated main carrier represented by letter H. A. Single sideband suppressed carrier B. Double sideband full carrier C. Independent sideband D. Double sideband

Last Answer : B. Double sideband full carrier

The third symbol in the designation of radio emission under the ITU rules refers to A. Type of the modulation of the main carrier B. Bandwidth C. Nature of the signals modulating the main carrier D. Type of information to be transmitted

Description : The third symbol in the designation of radio emission under the ITU rules refers to A. Type of the modulation of the main carrier B. Bandwidth C. Nature of the signals modulating the main carrier D. Type of information to be transmitted

Last Answer : D. Type of information to be transmitted

The first symbol in the designation of radio emission under the ITU rules to A. Nature of signals modulating the main carrier B. Type of information to be transmitted C. Bandwidth D. Type of modulation of the main carrier

Description : The first symbol in the designation of radio emission under the ITU rules to A. Nature of signals modulating the main carrier B. Type of information to be transmitted C. Bandwidth D. Type of modulation of the main carrier

Last Answer : D. Type of modulation of the main carrier

Mention any three major iron-ore belts of India. Write any three characteristics of the southernmost iron-ore belt. -SST 10th

Description : Mention any three major iron-ore belts of India. Write any three characteristics of the southernmost iron-ore belt. -SST 10th

Last Answer : The three major iron-ore belts of India: 1. Orissa-Jharkhand Belt 2. Durg-Bastar-Chandrapur Belt 3. Bellary-Chitradurga Chikmaglur-Tumkur Belt The three features of the southernmost belt, BellaryChitradurga ... 3. The ore is transported as a slurry to a port near Mangalore through a pipeline.

Mention any three major iron-ore belts of India. Write any three characteristics of the southernmost iron-ore belt. -SST 10th

Description : Mention any three major iron-ore belts of India. Write any three characteristics of the southernmost iron-ore belt. -SST 10th

Last Answer : Three major iron-ore belts of India are: (i) Odisha - Jharkhand belt (ii) Durg - bastar - Chandrapur belt in Chhattisgarh and Maharashtra. (iii) Bellary - Chitradurga - Chikmaglur - Tumkur ... very high quality, yet they are efficiently exploited. (iii) Iron-ore is exported through Marmagao port.

10.(a) An ore on treatment with dilute hydrochloric acid produces brisk effervesces. What type of ore is this? What steps will be required to obtain metal from the enriched ore. , (b) Copper coin is kept immersed in silver nitrate solution for some time. What change will take place in coin and colour of the solution ? Write balanced chemical equation of the reaction involved. -Chemistry

Description : 10.(a) An ore on treatment with dilute hydrochloric acid produces brisk effervesces. What type of ore is this? What steps will be required to obtain metal from the enriched ore. , (b) ... in coin and colour of the solution ? Write balanced chemical equation of the reaction involved. -Chemistry

Last Answer : (a) Carbonate ore: (i) Calcination: Carbonate ore is heated in limited supply of air and oxide is obtained, e.g. (b) Copper, being more reactive than silver will displace silver from silver nitrate ... and there will be deposition of silver on copper coin. The colour of solution will turn to blue.

Write the name and symbol of the main ore of Zinc .

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