Which of the following is incorrect a) Pyrolusite is an ore/mineral of Manganese b) Ilmenite is an ore/mineral of Titanium c) Calamine is an ore/mineral of Copper?

Only a
Only a and b
Only c
Only a and c

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 3 : Only c

Element	Ore
Manganese	Pyrolusite
Titanium	Ilmenite
Zinc	Calamine

4 views Answered 2022-09-04 04:29

Related Questions

Which of the following is not an ore of Manganese?

1 Answers 4 Views

A mixture X which has 80% Copper and rest Zinc is mixed with another mixture of Copper and Aluminium (mixture Y) in the ratio 3 : 5. If the resultant mixture has 60% copper only, find the percentage of aluminium in the mixture Y.?

1 Answers 22 Views

Two wires are made having same length and area of cross-section A. Wire 1 is made of copper and wire 2 is made of aluminium. It is given that the electrical conductivity of copper is more than that of aluminium. In this context, which one of the following statements is correct?

1 Answers 4 Views

Which of the following mineral is used in manufacture of steel and ferro-manganese alloy?

1 Answers 5 Views

In the question three statements are given, followed by three conclusions, I, II and III. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: No bronze is copper. Statement II: Some alloy is bronze. Statement III: Some zinc is alloy. Conclusion I: Some zinc is bronze. Conclusion II: Some copper is zinc. Conclusion III: some alloy is copper.?

1 Answers 4 Views

In the following question below are given three statements followed by three conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: I. Some Almirah are Plastic. II. No Plastic is a Brass. III. All Brass are Copper. Conclusions: I. Some Plastic are Copper. II. No Copper is an Almirah. III. Some Almirah are Brass.?

1 Answers 6 Views

Which of the following pairs is not correctly matched Mineral Industrial use (A) Zircon (1) Tanning (B) Manganese ore (2) Dry battery (C) Mica (3) Thermal insulation (D) Bauxite (4) Nuclear reactors?

1 Answers 5 Views

Pyrolusite is an ore/mineral of which of the following element?

1 Answers 4 Views

Consider the following losses for short circuit test on a transformer: 1. Copper loss 2. Copper and iron losses 3. Eddy current and hysteresis losses 4. Friction and windage losses Which of the above is/are correct?

1 Answers 8 Views

Which of the following statement is/are correct Chuquicamata - Copper Itabira mine- Iron Amapa mine - Manganese Select the correct code from below.?

1 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)