What is the general outermost shell electronic configuration for Lanthanoids?
In lanthanides (at. no. of elements 58 to 71), the electronic configuration of outermost shells is (n−2)f1−14(n−1)s2p6d0to1ns2. Lanthanides Lanthanides and... View Article
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What are the different states in which water is found during the water cycle?
It is found in three states: Solid (ice and hail) Liquid (regular water) Gas (vapour). (i) Gaseous State It occurs... View Article
What changes can you make in your habits to become more environment-friendly?
Our resources like forests, wildlife, water, coal and petroleum need to be used sustainably. We can reduce pressure on the environment... View Article
Name the solution in which the leaf must be boiled to remove the chlorophyll.
Alcohol Chlorophyll is the green pigment found in plant leaves. Plants carry out photosynthesis to make food from the raw... View Article
How does the sound produced by a vibrating object in a medium reach your ear?
When an object vibrates, it sets the particles of the surrounding medium vibrating. The particles in the medium in contact... View Article
How does the bulk fixation of carbon dioxide through photosynthesis take place?
Oceans cover a large portion of the earth. The ocean is home to numerous organisms, which include both producers and... View Article
On what factor does the amount of product formed at an electrode depends upon?
The amount of product formed at an electrode depends upon the time for which current flows. The factors affecting the... View Article
What is the term used for describing the point of contact between two neurons?
A point of contact between two neurons is termed Synapse. The synapse consists of three elements: The presynaptic membrane which is... View Article
Give an example of an inorganic molecule which is also known as deadly poison.
Cyanide is an inorganic molecule that is a deadly poison. Cyanide – The poison An inorganic cyanide compound is any... View Article
Which of the following substances is an element? a) Gold b) Sugar c) Water d) Snow
The correct answer is a) Gold According to Lavoisier, a French chemist, an element is a basic form of matter... View Article
Reactivity of alkyl halides towards SN1 nucleophilic substitution reaction is:
First, let us know what SN1 is SN1 reaction The SN1 reaction is a substitution nucleophilic unimolecular reaction. It is... View Article
In which pair is the two species Isoelectronic? a) Ne, F– b) Ar, Be2+ c) K, F– d) S2-, He
Ne, F– is an isoelectronic pair, and their electronic configuration is 1s2 2s2 2p6 Neon has (Z=10) has 8 valence... View Article
What happens to pure ammonium chloride during sublimation of ammonium chloride?
Pure ammonium chloride gets collected on the inner sides of the funnel in the form of a sublimate. Sublimation of... View Article
Which part of the velocity-time graph signifies the distance covered by a body?
Distance covered by a body from the velocity-time graph is the area under the graph. Velocity-Time graph It is the... View Article
Write the greatest 4-digit number and express it in terms of its prime factors.
Answer: Prime factorization – It is a method to find the prime factors of a given number, say a composite... View Article
Determine the largest 3-digit number which is exactly divisible by 8, 10 and 12.
Answer: Given Three numbers 8,10 and 12 Find out We need to find out the largest 3-digit number which is exactly... View Article
Terrestrial hydrogen contains deuterium mostly in the form of _______
Terrestrial hydrogen contains deuterium mostly in the form of HD. Isotopes of Hydrogen There are three isotopes of the element... View Article
Which method do we employ to separate different fractions in petroleum industry?
To separate different fractions in the petroleum industry, we employ Fractional distillation. Fractional Distillation Fractional distillation separates crude oil into... View Article
Is the magnetic field inside a current carrying solenoid constant at all points?
The magnetic field produced by a current-carrying solenoid is the same at all points inside it. Objective: To observe the... View Article
What are the differences between the transport of materials in xylem and phloem?
Transportation of materials in xylem Transportation of materials in phloem Xylem tissue helps in the transport of water and minerals.... View Article
