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Name the main constituent metal in the following alloys:
Duralumin
Concept: Methods of Making Alloys
Name the alloys for the given composition:
Magnesium + Manganese + Aluminium + Copper
Concept: Alloy
Identify the following:
A homogenous mixture of two or more metals or a metal and a non-metal in a definite proportion in their molten state.
Concept: Alloy
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
Concept: General Preparation of Hydrogen Chloride Gas
Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, nitrogen dioxide, Nitric oxide, Sulphuric acid)
Cold, dilute nitric acid reacts with copper to give ___________.
Concept: Manufacture of Nitric Acid
Identify the reactant and write the balanced equation for the following:
Nitric acid reacts with compound Q to give a salt Ca(NO3)2, water and carbon dioxide.
Concept: Chemical Properties of Nitric Acid
Give a balanced equation for the following:
Oxidation of carbon with conc. nitric acid.
Concept: Nitric Acid
Complete the following equations :
S + conc.HNO3 →
Concept: Sulphuric Acid
Give the structural formula of the following organic compound:
Methanal
Concept: Organic Compounds
Write the chemical equation for the following:
Combustion of methane
Concept: Ethanoic Acid
The equation below shows the reaction between element ‘X’ and dilute sulphuric acid.
\[\ce{X_{(s)} + H2SO4_{(aq)} -> XSO4_{(aq)} + H2_{(g)}}\]
Which particles are responsible for conducting electricity in dilute sulfuric acid and compound XSO4?
Concept: Identifying Substances by Colour, Smell, State & Heat Effect
State giving reasons if calcium nitrate and lead nitrate can be distinguished by adding ammonium hydroxide solution to the salt solution.
Concept: Action of Heat
Explain any two stages of marketing.
Concept: Stages of Marketing
Distinguish between Advertising and Sales promotion.
Concept: Concept of Sales Promotion
Explain the need for GAAP for accounting.
Concept: Generally Accepted Accounting Principles (GAAP)
Define the term GAAP.
Concept: Generally Accepted Accounting Principles (GAAP)
Give any two uses of Income and Expenditure Account.
Concept: Income and Expenditure Account
Distinguish between the Central Bank and the Commercial Bank.
Concept: Types of Bank
Write a short note on direct costs.
Concept: Classification of Costs
Explain 'Internship' as a method of training.
Concept: Methods of Training
