Can any source of energy be pollution-free?
Solution: No source of energy can be pollution-free. Every source of energy has some type of pollution. For example, the... View Article
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Interhalogen compounds are covalent due to___________
Answer: Interhalogen compounds are covalent due to the low electronegativity difference between halogens. Interhalogen compounds Interhalogen compounds are compounds formed when... View Article
In angiosperms, water is conducted through:
In angiosperms, water is conducted through tracheid and vessel elements of xylem tissues. Definition Angiosperms are plants that produce flowers... View Article
Artificial sweetening agents are useful to:
Artificial sweetening agents are useful to diabetic person and to a person who tries to reduce weight. Definition Artificial sweeteners... View Article
According to VBT, the shape of [CoF6]-3 is:
According to VBT, the shape of [CoF6]-3 is octahedral. Explanation The element Cobalt belongs to group VIII of the periodic... View Article
The electronic configuration of U3+ ion is:
The electronic configuration of U3+ ion is [Rn] 5f3. Explanation Uranium is a weakly radioactive element with an atomic number... View Article
The hybridisation of Carbon in ethylene is:
The hybridisation of carbon in ethylene is sp2. Explanation Ethylene or Ethene is a compound with the formula C2H4. The... View Article
One Angstrom is Equal To – Fill in the Blank
One angstrom (1o) is equivalent to 10-10m. Explanation The angstrom (Aº) is an internationally recognized unit of length and is... View Article
Pressure of 1 Atm _________ Pa
Answer: Pressure of 1 Atm 1.013 x 10 5 Pa. Pressure The pressure is thrust per unit area, hence it... View Article
Nematocysts are found in _______
Answer: Nematocysts are found in coelenterates. Nematocysts are specialised stinging cells that serve as defensive and offensive organs in Coelenterates.... View Article
Ultraviolet radiations can be detected using___________
Answer: Ultraviolet radiations can be detected using fluorescence. Fluorescence The emission of light by a material that has absorbed light... View Article
Where is the Ganga-Brahmputra basin located?
Answer: The Ganga Brahmaputra basin is located at 10°N to 30°N in the sub-tropical region. Life in the Ganga-Brahmputra basin... View Article
The electronic configuration of chromium is__________
Answer: The electronic configuration of chromium is 1s22s22p63s23p63d54s1. Chromium Chromium is a chemical element with the atomic number of 24... View Article
Why should we conserve forests and wildlife?
Forests are referred to as the lungs of the Earth. These absorb carbon dioxide from the atmosphere and release oxygen... View Article
Give an example of pseudocoelomate organism?
Answer: Pseudocoelmates are the animals whose body cavity is pseudocoelem i.e.their body is not lined by mesoderm, instead the mesoderm... View Article
The mean free path is the ________
Answer: The mean free path is the average distance covered by a molecule between two successive collisions. Mean free path... View Article
During hibernation, the frog respires through_______
Answer: During hibernation, the frog respires through its moist skin or integument. During hibernation, cutaneous respiration occurs in the frog, i.e.... View Article
Combination reactions can take place between________
Answer: Combination reactions can take place between two elements or between two element and compound or between two compounds. Combination... View Article
Describe the methods of asexual reproduction?
Answer: Asexual reproduction is a form of reproduction in which a single parent produces a new offspring. The new individuals... View Article
Millikan’s oil drop experiment establish that___________
Answer: Millikan’s oil-drop experiment established that electric charge is quantized. Millikens Oil Drop Experiment In 1909, Robert A. Millikan and... View Article
