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Alumina:
Precalculus: Mathematics for Calculus (Standalone Book) 7 by James Stewart,Lothar Redlin,Saleem Watson
Precalculus: Mathematics for Calculus (Standalone Book) 7 Edition
Author:
James Stewart,Lothar Redlin,Saleem Watson
Edition:
7
ISBN:
9781305071759
Publisher:
Brooks Cole
Subject:
Pre-Calculus
Question
Easy
Timing Icon

Solving time: 1 mins

Alumina:

A
Is a good conductor of electricity

B
Is a bad conductor of electricity

C
Melts at

D
Is an electrovalent compound

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Book

Book:

Precalculus: Mathematics for Calculus (Standalone Book)

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Correct answer is B
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Practice questions from Precalculus: Mathematics for Calculus (Standalone Book)

Question 1
Easy
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Silver obtained from argentiferrous lead containing lead impurity is purified by:
  1. Distillation
  2. Froth floatation
  3. Cupellation
  4. Treatment of KCN
Topic

Topic:

General Principles and Processes of Isolation of Elements

Book

Book:

Precalculus: Mathematics for Calculus (Standalone Book)

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Question 2
Easy
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Views: 5,618

In order to bring initial chemical change in the ore, the process of heating of ore below its melting point is known as:
  1. Reduction
  2. Smelting
  3. Calcination
  4. Roasting
Topic

Topic:

General Principles and Processes of Isolation of Elements

Book

Book:

Precalculus: Mathematics for Calculus (Standalone Book)

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Question 3
Easy
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Views: 6,198

One of the following metals forms a volatile compound and this property is taken advantage for its extraction. This metal is:
  1. Iron
  2. Nickel
  3. Cobalt
  4. Tungsten
Topic

Topic:

General Principles and Processes of Isolation of Elements

Book

Book:

Precalculus: Mathematics for Calculus (Standalone Book)

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Question 4
Easy
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Views: 5,796

Chemical reduction is not suitable for converting:
  1. Bauxite into aluminium
  2. Cuprite into copper
  3. Haematite into iron
  4. Zinc oxide into zinc
Topic

Topic:

General Principles and Processes of Isolation of Elements

Book

Book:

Precalculus: Mathematics for Calculus (Standalone Book)

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Practice more questions from General Principles and Processes of Isolation of Elements

Question 1
Easy
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For extraction of copper, malachite is calcined but chalcocite is roasted.
and

Both roasting and calcination convert all the ores into their oxides.
  1. Statement is True, Statement is True; Statement is a correct explanation for Statement
  2. Statement is True, Statement is True; Statement is NOT a correct explanation for Statement
  3. Statement is True, Statement is False
  4. Statement is False, Statement is True
Topic

Topic:

General Principles and Processes of Isolation of Elements

Book

Book:

IIT JEE Super Course in Chemistry: Inorganic Chemistry (Pearson)

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Question 2
Easy
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Which of the following metal is sometimes found native in nature?
Topic

Topic:

General Principles and Processes of Isolation of Elements

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Question 3
Easy
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Calamine is:
Topic

Topic:

General Principles and Processes of Isolation of Elements

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Question 4
Easy
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Views: 5,946

Gravity separation is used for the purification of
  1. sulphide ores
  2. carbonate ores
  3. oxide ores
  4. halide ores
Topic

Topic:

General Principles and Processes of Isolation of Elements

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Practice questions on similar concepts asked by Filo students

Question 1
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Explain the terms polymers and monomers ?
Topic

Topic:

Polymers & Biomolecules

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Question 2
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Views: 5,832

Draw a Lewis structure for each of the following species. Again, assign charges where appropriate.(a) (b) (c) (d) (e) (f) (g) (h) (i)
Topic

Topic:

Chemistry

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Question 3
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Views: 5,589

(i)(ii) (iii)
Topic

Topic:

Chemistry

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Question 4
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Views: 5,996

Items in the remaining questions are selected at random from various sections of the chapter. Unless marked with an asterisk all names and formulas are included in the Goals and should be found with reference to no more than a periodic table. Ions in compounds marked with an asterisk are included in Tables 6.7 and or, if the unfamiliar ion is monatomic, the atomic number of the element is given. In all questions, given a name, write the formula; given a formula, write the name.HNO, Zn(HSO)_ potassium cyanide*, copper(I) fluoride
Topic

Topic:

Chemistry

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Question Text
Alumina:
TopicGeneral Principles and Processes of Isolation of Elements
SubjectChemistry
ClassClass 12
Answer TypeText solution:1
Upvotes60