In chemical reactions, what is the role of energy?
Answer: In a chemical reaction, energy is used for breaking the bonds of the reactants also energy is used in... View Article
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The male sex hormone ‘testosterone’ is secreted by_______
Answer: The male sex hormone ‘testosterone’ is secreted by male testicles. In males, testes secrete the sex hormone ‘testosterone’ which is... View Article
How many unpaired electrons are there in Ni2+?
Answer: There are 2 number of unpaired electrons in Ni2+. Electronic configuration of Nickel(Ni) is Ni (Z = 28) = 1s22s22p63s23p64s23d8... View Article
Butanone has a functional group __________
Answer: Butanone has a functional group ketonic group (C=O). Ketones In ketones, the carbonyl group has 2 hydrocarbon groups attached... View Article
How is the equation for CuSO4 + H2O determined?
Answer: H2O + CuSO4 → CuSO4.5H2O The reaction between H2O and CuSO4 gives CuSO4.5H2O which is blue vitriol. The end product is... View Article
Sieve tubes and companion cells are components of_______
Answer: Sieve tubes and companion cells are components of Phloem. Phloem is a complex permanent plant tissue. It is made up... View Article
Calculate The Average Atomic Mass Of Bromine Atom
Answer: The atomic mass of an element is the mass of one atom of that element. Average atomic mass takes into... View Article
Which part of India is known for Terraced farming?
Answer: Terraced farming is a method of growing crops on sides of hills or mountains by planting on graduated terraces... View Article
Which is the third largest continent of the world?
Answer: North America is the third-largest continent in the world. Geographically the North American continent has many regions and subregions.... View Article
Which is the most abundant non-metal on the earth?
Oxygen is the most abundant non-metal on the earth. The chemical formula of oxygen (dioxygen) is O2. This formula is... View Article
Which drug does not fit the category of narcotics? (1) Codein (2) Heroin (3) Morphine (4) Analgin
Answer: (4) Analgin Narcotics are habit-forming or addictive analgesic drugs. Analgin is a non-addictive analgesic. Drugs are chemical substances that affect... View Article
What are the end products of respiration in yeast?
Answer: The respiration which takes place without oxygen is known as anaerobic respiration. The microorganisms like yeast break down glucose (food) into ethanol,... View Article
What are the basic components of diamond crystals?
Pure diamonds are pure carbon, although most diamonds contain some impurities. The presence of nitrogen causes the diamonds to absorb blue... View Article
Which crop is not grown in a shifting cultivation.
Answer: Rice Shifting cultivation is also known as Slash-and-burn cultivation. It is a type of farming activity which involves clearing... View Article
What is the value of zero kelvin on Celsius scale?
We need to know the value of zero kelvin on the Celsius scale Formula We know that C = K –... View Article
Which element is most abundant in the earth crust?
Answer: The most abundant element in the earth’s crust is oxygen (46. 1%). The chemical formula of oxygen (dioxygen) is... View Article
List few properties of benzene diazonium chloride.
Answer: Diazonium salts are one of the most versatile combinations of organic and inorganic components. Its general way of representation... View Article
In which Indian state is the Sambhar Lake located?
Answer: Sambhar is a saltwater lake. Sambhar Salt Lake is the biggest inland salt lake in India, and it is... View Article
How many planets does the Solar System consist of?
Answer: The solar system is very huge and consists of many objects held together by the gravitational force. The sun... View Article
How can we obtain different gases from liquid air?
Answer: We can obtain different gases from air by fractional distillation of liquid air. Fractional distillation Air is a gaseous... View Article
