______ React With Oxygen at Room Temperature To Form Their Basic Oxide
Metals react with oxygen at room temperature to form their basic oxide. An acidic oxide is an oxide which when... View Article
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When a Molecule of a Gas Collides With the Wall of a Container It Gets Rebound and the Momentum Transferred To Wall is Equal To
If ‘m’ is mass and ‘v’ is velocity. Then momentum before impact = mv Momentum after impact = -mv Change... View Article
The Solubility Curve is a Graph Between Solubility of a – Fill in the Blank – in a Solvent Against Changing – Fill in the Blank
The solubility curve is a line graph, that plots changes in the solubility of a solute (solid) in a solvent... View Article
The Magnetism Acquired By a Magnetic Material When It is Kept Near (Or in Contact With) a Magnet, is Called – Fill in the Blank
The magnetism acquired by a magnetic material when it is kept near (or in contact with) a magnet, is called... View Article
The – Fill in the Blank – of Water Enables Aquatic Animals To Survive in a Reservoir Where the Surface Layer of Water Has Frozen
The anomalous expansion of water enables aquatic animals to survive in a reservoir where the surface layer of water has... View Article
A Desiccator is an Air Tight Glass Vessel With a Suitable Drying Agent, – Fill in the Blank – Placed at the Bottom of the Vessel
A desiccator is an airtight glass vessel with a suitable drying agent, anhydrous calcium chloride placed at the bottom of... View Article
Galvanizing is a Process in Which Iron Or Steel is Coated With Thin Layer of – Fill in the Blank – To Protect Them From Corrosion
Galvanizing is a process in which iron or steel is coated with a thin layer of zinc to protect them... View Article
The Restoring Force in a Simple Harmonic Motion is – Fill in the Blank – in Magnitude When the Particle is Instantaneously at Rest
The restoring force in a simple harmonic motion is maximum in magnitude when the particle is instantaneously at rest. Simple... View Article
The Chemical Reaction Either Caused Or Accompanied By the Passage of an Electric Current Are Called – Fill in the Blank – Reactions
The chemical reaction either caused or accompanied by the passage of an electric current are called electrochemical reactions. An electrochemical... View Article
Positively Charged Ions Get Attracted To the – Fill in the Blank – and – Fill in the Blank – Electrons From It To Form Neutral Atom
Positively charged ions (cations) get attracted to the cathode and gain electrons from it to form a neutral atom. The... View Article
Joseph Priestley Performed an Experiment in Which – Fill in the Blank – Was Heated By Focusing Sun Rays On It Using a Convex Lens
Joseph Priestley in 1774, performed an experiment in which Red mercuric oxide (HgO) was heated by focusing Sun’s rays on... View Article
_______________ is the process of sterilization of water by addition of chlorine acts as a treatment against bacterial infection.
Answer: Chlorination is the process of sterilization of water by addition of chlorine acts as a treatment against bacterial infection.... View Article
Some Salts While Crystallising Out From Their Solution, Unite With a Definite Quantity of Water Which is Known As – Fill in the Blank
Some salts while crystallising out from their solution, unite with a definite quantity of water which is known as the... View Article
Radioactivity is defined as a phenomenon in which certain _______________ disintegrate by emitting certain invisible radiations.
Answer: Radioactivity is defined as a phenomenon in which certain heavy unstable nuclei spontaneously disintegrate by emitting certain invisible radiations.... View Article
Heating of the earth surface due to radiation of the sun trapped by carbon dioxide in the atmosphere is called as _______________
Answer: Heating of the Earth surface due to radiation of the Sun trapped by carbon dioxide and water vapour in... View Article
The smallest unit which has an independent existence and exhibits all the properties of the substance is called an __________
Answer: The smallest unit which has an independent existence and exhibits all the properties of the substance is called a... View Article
Bond angle is the average angle between orbitals containing ___________ electron pairs around the central atom in a molecule.
Answer: Bond angle is defined as the average angle between orbitals containing bonding electron pairs around the central atom in... View Article
Muscular tail, streamlined body shape, scaly skin and two-chambered heart are the characteristic features of class _________________
Answer: Muscular tail, streamlined body shape, scaly skin and two-chambered heart are the characteristic features of class Pisces. Pisces Pisces... View Article
An observer moves towards a stationary plane mirror at a speed of 4 m/s the speed of image with respect to mirror is ________________
Given An observer moves towards a stationary plane mirror at a speed of 4 m/s Find out We need to... View Article
The temperature of oxyacetylene flame is about ________________ and that of oxyhydrogen flame is approximately ______________
Answer: The temperature of oxyacetylene flame is about 3000oC and that of oxyhydrogen flame is approximately 2800oC. Through the combustion... View Article
