What is the end product when Sn is fused with NaOH?
Tin reacts with excess sodium hydroxide to form sodium stannite (Na2SnO2), sodium stannate(Na2SnO3) and hydrogen gas. Sn + 2NaOH →... View Article
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Who introduced the binomial system of nomenclature?
Carolus Linnaeus introduced the binomial nomenclature system for naming organisms scientifically. Binomial nomenclature Binomial nomenclature is the biological system of... View Article
Why do isotopes have different physical properties?
Answer: The term isotope mainly corresponds to the variation in the atomic mass or weight of an element. It may... View Article
Give an example of an organisms that shows budding.
Hydra reproduces by means of budding, which is a form of asexual reproduction. Budding is characteristic of a few unicellular... View Article
Explain the composition of aqua regia as a mixture.
1 part of concentrated nitric acid and 3 parts of concentrated hydrochloric acid. Aqua regia Aqua regia is a mixture of... View Article
Do plants and animals depend on their surroundings?
All plants, animals and human beings depend on their surroundings. Explanation For plants, animals and human beings to survive, they... View Article
Vinegar is a dilute aqueous solution of which acid?
Vinegar is a dilute aqueous solution of ethanoic acid. The main component of vinegar is acetic acid, which gives a sour... View Article
What is the reason for the colouration of the skin?
The colouration of the skin is provided by melanin. Melanin Melanin is a complex polymer derived from the amino acid... View Article
What happens to the temperature during respiration?
Answer: Respiration is the mechanism by which the nutrients we absorb are converted into usable energy. The cell, as we... View Article
What is the structural formula for Phosphinic acid?
Phosphinic acid is H3PO2. Phosphinic acid A phosphorus oxoacid consists of single pentavalent phosphorus covalently bound via single bonds to... View Article
How are Pteridophyta different from the phanerogams?
The main difference between pteridophytes and phanerogams is that pteridophytes are seedless and flowerless vascular plants, while phanerogams are seed... View Article
Distinguish Between Loudness and Intensity of Sound
The intensity of Sound: The intensity of a sound wave is defined as the amount of sound energy passing through... View Article
What are the qualities of an ideal source of energy?
An ideal source of energy must be: Economical Easily accessible Smoke/pollution-free Easy to store and transport Able to produce a... View Article
Explain the metallic character of group 14 elements.
The metallic character of group 14 elements increases from top to bottom because removing the electron becomes easier on moving... View Article
Give examples where physical change can be observed.
Grinding, tearing, cutting are examples of physical changes. There is no change in the chemical composition in these processes. Physical... View Article
How many monomers are involved in addition polymers?
Only one monomer repeatedly adds to give additional polymers like the monomer of polythene i.e.addition polymer is CH2=CH2 What is... View Article
What is the specific function of the cardiac muscle?
Cardiac muscles are found only in the heart and are self-stimulating, which has an intermediate speed of contraction and energy... View Article
How is water transported moves upward in the plants?
Xylem in plants helps in the transportation of water and minerals from roots to leaves. Cohesion-tension theory Cohesion tension theory... View Article
What is the term used for fluid matrix of the blood?
Plasma is the fluid matrix in the blood consists of water, ions, glucose, proteins, hormones etc. Plasma Plasma is the... View Article
Name the nucleobase that base pairs up with Thymine.
Adenine always pairs up with Thymine, while Guanine pairs up with Cytosine Nitrogenous base pairs The DNA sequence is usually... View Article
