What is the importance of live wire?
The live wire carries the current to the appliance. The live wire is also called hot wire. Live wire is brown... View Article
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What is the hybridization of xenon tetrafluoride?
XeF4 has a square planar shape with dsp2 hybridisation.
What is the shape of xenon difluoride
Shape of XeF2 is Linear.
What is rust with formula.
Rust is hydrated ferric oxide (Fe2O3 .x H2O).
Can residual volume be greater than tidal volume?
Residual volume is always greater than tidal volume. Tidal volume is the volume of air normally inspired or expired in... View Article
Give the chemical formula of pyrolusite
Pyrolusite is MnO2.
What does prokaryotic cell contain?
Prokaryotic cell contains a single chromosome.
To make a saturated solution, 36 gm of sodium chloride is dissolved in 100 gm of water at 293 K. Find its concentration at this temperature.
Mass per cent is a way of expressing a concentration or describing the component in a particular mixture. The solution... View Article
Write a paragraph in your own words on each of the following: (a) Preparation of soil (b) Sowing (c) Weeding (d) Threshing
(a) Preparation of soil Preparation of the soil is the first step before growing of the crop. It helps to... View Article
How are the ions in Potassium chloride bonded to each other?
Potassium chloride consists of potassium ions and chloride ions bonded to each other by ionic bond.
Choose the correct option:(a) In plants, water is transported through Option A: xylem Option B: phloem Option C: stomata Option D: root hair
Correct option: A Solution: In plants, water is transported through xylem. Movement of water through
What are paramagnetic substances?
The magnetic field weakly attracts paramagnetic substances. Paramagnetism Electrons that are alone in an orbital are called paramagnetic electrons. Paramagnetic... View Article
What is the composition of nucleic acid?
Nucleic acid contains phosphoric acid, sugar and a nitrogenous base.
Is nuclear energy a non-conventional or conventional source of energy?
It is a non-conventional source of energy.
Name the following:(i) A parasitic plant with yellow, slender and tubular stem. (ii) A plant that has both autotrophic and heterotrophic mode of nutrition. (iii) The pores through which leaves exchange gases.
Answer: The process of obtaining food and utilizing it to grow, stay healthy and repair any damaged body part is... View Article
Can paints have dispersed particles?
Yes, paint can have dispersed particles. Most paints are sols in which tiny solid particles are dispersed in a liquid... View Article
Explain the process of meiosis.
Meiosis produces gametes, therefore it occurs in the gonads or the reproductive organs. In particular, within the cells of the... View Article
Give an example of silvery white metals
All the lanthanoids are silvery white metals.
The atoms and ions which contain the same number of electrons are known as?
The atoms and ions which contain the same number of electrons are known as isoelectronic species.
What does ionic bond involve?
Ionic bond involves complete transfer of electrons from one atom to another, so as to complete their outer most shell... View Article
