What is molten state?
The term “ molten ” denotes the liquid form of a solid EHS at elevated temperature, which is normally in... View Article
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Why indented coastline is best for natural harbours?
The indented coastline in the Atlantic Ocean means the coastline is ideal for natural harbours and ports. Hence, the Atlantic... View Article
Name the cleansing organelle in the cell
A lysosome is a membrane -bound cell organelle that contains digestive enzymes. They are also known as ‘suicide-bags’ of cells... View Article
Find the zeroes of the quadratic polynomial x2 + 7x + 12 and verify the relation between the two zeroes and its coefficients?
Let f(x) = x2 + 7x + 12 f(x) = x2 + 4x + 3x + 12 f(x) = x(x+4)... View Article
Give 5 uses and properties of terylene
Terylene is made by a process of polymerizing ethylene glycol and terephthalic acid. Terylene is extensively used in textile industry... View Article
How can we convert acetophenone to benzoic acid?
Acetophenone can be converted into benzoic acid as follows Step-1:—Conversion of acetophenone into ethyl benzene. Acetophwnone is reduced by Zinc... View Article
What is spore formation?
Answer: Spore formation mainly occurs in non-flowering plants like in fungi, which is a type of asexual reproduction. A thousand... View Article
Name the cell organelle which is known as packaging and dispatching units of the cell
Golgi bodies are known as the packing and dispatching unit of a cell. It is an organelle found in most... View Article
How grid is helpful to us?
Grids are helpful in pin-pointing the exact location on Earth. The actual shape resembles that of an oblate spheroid. There... View Article
What is the formula of GDPmp and GDPfc?
The equations of GDP and market prices (GDPMP), and GDP at factor cost (GDPFC) are as follows: GDPMP = C... View Article
What do you mean by net sown area?
Net sown area represents the total area sown with crops and orchards. This represents the total area sown once and/or... View Article
What is the melting and boiling point of a diamond?
Diamonds can be heated to a higher temperature only in the absence of oxygen. Diamond is very hard due to... View Article
What is the difference between Cl, Cl2, Cl3?
Chlorine is a chemical element having the symbol Cl and atomic number 17. Cl2 is a molecule consisting of two... View Article
In an equilateral triangle ABC, D is a point on side BC such that BD = 1/3BC, Prove that 9AD2 = 7AB2.
∆ABC is an equilateral triangle. AB = BC = AC = a In ∆ABC, AE is a perpendicular line. Now,... View Article
What happens when silver chloride is exposed to sunlight? Write a chemical equation for this reaction.
When silver chloride is exposed to light, it decomposes to form silver metal and chlorine gas. This reaction is used... View Article
What is the valency of iron in ferrous sulphate?
The valency of an element is always a whole number. Some elements exhibit more than one valency,they have variable valency.... View Article
Express 3825 as the product of its prime factor
On factorisation of 3825 we get 3825 = 3 × 3 × 5 × 5 × 1 7 = 32... View Article
What is the HCF of 18, 54, 81?
(HCF) of two or more given numbers is the highest (or greatest) of their common factors. It is also known... View Article
Write the difference between pig iron cast iron and steel.
Difference between pig iron and cast iron The iron obtained from blast furnace is called pig iron. It contains about... View Article
In what security Wpa2 is used?
WPA2 is a type of encryption used to secure the vast majority of Wi-Fi networks. WPA2 is an updated version... View Article
