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Physical Chemistry
Some Basic Concepts of ChemistryAtomic StructureStates of MatterThermodynamicsChemical EquilibriumIonic EquilibriumLiquid SolutionRedox ReactionsSurface ChemistrySolid StateElectrochemistryChemical Kinetics
Inorganic Chemistry
Periodic Table and PeriodicityChemical Bonding and Molecular StructureMetallurgyHydrogen and It's Compoundss-Block Elementsp-Block Elementsd and f Block ElementsCoordination CompoundsEnvironmental Chemistry
Organic Chemistry
IUPAC NomenclaturesGeneral Organic ChemistryIsomerismHydrocarbonsHaloalkanes and HaloarenesAlcohol, Phenols and EthersAldehyde and KetoneCarboxylic Acids and Its DerivativesCompounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday LifePractical Organic Chemistry
Metallurgy
Practice Questions
MCQ (Single Correct Answer)
1
In the extraction of iron, the reaction which occurs at $900-1500 \mathrm{~K}$ in the blast furnace is
AP EAPCET 2024 - 23th May Morning Shift
2

In which of the following metals extraction, impurities are removed as slag?

i. Al

ii. Fe

iii. Cu

iv. Zn

The correct option is

AP EAPCET 2024 - 22th May Morning Shift
3
The flux used in the preparation of wrought iron from cast iron in reverberatory furnace is
AP EAPCET 2024 - 21th May Evening Shift
4
The type of iron obtained from blast furnace in the extraction of iron is
AP EAPCET 2024 - 20th May Evening Shift
5

The reactions which occur in blast furnace at $500-800 \mathrm{~K}$ during extraction of iron from haematite are

i. $3 \mathrm{Fe}_2 \mathrm{O}_3+\mathrm{CO} \longrightarrow 2 \mathrm{Fe}_3 \mathrm{O}_4+\mathrm{CO}_2$

ii. $\mathrm{Fe}_2 \mathrm{O}_3+3 \mathrm{C} \longrightarrow 2 \mathrm{Fe}+3 \mathrm{CO}$

iii. $\mathrm{Fe}_3 \mathrm{O}_4+4 \mathrm{CO} \longrightarrow \mathrm{Fe}+4 \mathrm{CO}_2$

iv. $\mathrm{Fe}_2 \mathrm{O}_3+\mathrm{CO} \longrightarrow 2 \mathrm{FeO}+\mathrm{CO}_2$

AP EAPCET 2024 - 20th May Morning Shift
6
Lithium forms an alloy with ' $X$ '. This alloy is used to make armour plates. What is ' $X$ ' ?
AP EAPCET 2024 - 18th May Morning Shift
7
Which one of the following sets in not correctly matched?
AP EAPCET 2024 - 18th May Morning Shift
8

The two major constituents of Portland cement are

AP EAPCET 2022 - 5th July Morning Shift
9

A compound A is used in paints instead of salts of lead. Compound A is obtained when a white compound B is strongly heated. Compound B is insoluble in water but dissolves in NaOH solution forming a solution of compound C. The compound A on heating with coke gives a volatile metal D and a gas E which burns with a blue flame. Identify the possible species D and C can be respectively?

AP EAPCET 2021 - 19th August Morning Shift