JEE Main 2019 (Online) 10th April Evening Slot | s-Block Elements Question 92 | Chemistry

A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above 373 K leads to an anhydrous white powder Z. X and Z, respectively, are :

Baking soda and dead burnt plaster.

Washing soda and soda ash

Washing soda and dead burnt plaster.

Baking soda and soda as.

JEE Main 2019 (Online) 10th April Morning Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

The alloy used in the construction of aircrafts is :

Mg – Zn

Mg – Al

Mg – Mn

Mg – Sn

JEE Main 2019 (Online) 9th April Evening Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

The structures of beryllium chloride in the solid state and vapour, phase, respectively,are :

chain and chain

dimeric and chain

chain and dimeric

dimeric and dimeric

JEE Main 2019 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

Magnisium powder burns in air to give :

MgO and Mg₃N₂

MgO only

Mg(NO₃)₂ and Mg₃N₂

MgO and Mg(NO₃)₂

PREVIOUS NEXT

Questions Asked from s-Block Elements (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

JEE Main Subjects

Physics

Mechanics

Units & Measurements Vector Algebra Motion in a Straight Line Motion in a Plane Circular Motion Laws of Motion Work Power & Energy Center of Mass and Collision Rotational Motion Properties of Matter Heat and Thermodynamics Simple Harmonic Motion Waves Gravitation

Electricity

Electrostatics Current Electricity Capacitor Magnetic Effect of Current Magnetic Properties of Matter Electromagnetic Induction Alternating Current Electromagnetic Waves

Optics

Geometrical Optics Wave Optics

Modern Physics

Atoms and Nuclei Dual Nature of Radiation Semiconductor Communication Systems

Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Structure of Atom Redox Reactions Gaseous State Chemical Equilibrium Ionic Equilibrium Solutions Thermodynamics Electrochemistry Chemical Kinetics and Nuclear Chemistry Solid State Surface Chemistry

Inorganic Chemistry

Periodic Table & Periodicity Chemical Bonding & Molecular Structure Isolation of Elements Hydrogen s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry

Organic Chemistry

Basics of Organic Chemistry Hydrocarbons Haloalkanes and Haloarenes Alcohols, Phenols and Ethers Aldehydes, Ketones and Carboxylic Acids Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry

Mathematics

Algebra

Sets and Relations Logarithm Quadratic Equation and Inequalities Sequences and Series Mathematical Induction Binomial Theorem Matrices and Determinants Permutations and Combinations Probability Vector Algebra 3D Geometry Complex Numbers Statistics Mathematical Reasoning

Trigonometry

Trigonometric Ratio and Identites Trigonometric Equations Inverse Trigonometric Functions Properties of Triangle Height and Distance

Coordinate Geometry

Straight Lines and Pair of Straight Lines Circle Parabola Ellipse Hyperbola

Calculus

Functions Limits, Continuity and Differentiability Differentiation Application of Derivatives Indefinite Integrals Definite Integration Area Under The Curves Differential Equations