Which of the following does not allow sound propagation?
Answer: Sound cannot travel through vacuum. It needs a material medium to propagate. What is sound? Sound is a vibration... View Article
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Which country is the largest producer of synthetic rubber?
Answer: China In recent years, China has become the world’s largest synthetic rubber manufacturer, consumer, and importer. Industrialized production of eight types... View Article
Which river makes the second biggest waterfall in India?
Answer: River kaveri The river Kaveri makes the second biggest waterfall in India, known as Shivasamudram Falls. Mysuru, Bengaluru, and... View Article
Which method is used for preparing arsenic sulphide sol?
Answer: Arsenic sulphide sol is prepared by passing H2S in As2O3 Preparation of Arsenious Sulphide sol Arsenious sulphide is a... View Article
What are the characteristics of the particles of matter?
Answer: A matter is anything that has mass and occupies space. Pen, paper, clips, sand, air, ice, etc. are different... View Article
Which type of hybridization is found in ethyne molecule?
Answer: Ethyne molecule is sp hybridized since it has one sigma and two carbon-carbon pi bonds. Hybridization of Ethyne The... View Article
What is the iron obtained from the blast furnace called?
Answer: The iron obtained from blast furnace contains 4% Carbon and many impurities like S, P, Si, and Mn in... View Article
The first ionization energy of the d-block elements are________
Answer: The first ionization energy of the d-block elements are between s and p-block elements. D Block Elements Elements having... View Article
Why is the atomic mass of an element usually fractional?
Answer: The majority of elements exist as a mixture of isotopes of different masses. Because of this combination, fractional atomic... View Article
How can a p-type conductor be created by doping silicon?
Answer: Aluminium has three electrons, so a hole will be created when silicon is doped with it. p-type semiconductors When... View Article
Which crop is mainly grown using Transplantation method?
Answer: Paddy is mainly grown using Transplantation method. The paddy is grown using the transplantation process. To obtain paddy, it... View Article
What is the role of the split ring in an electric motor?
What is Split Ring? The split ring in the electric motor is also known as a commutator that consists of... View Article
What is the ground-state electronic configuration of Si?
Answer: In the periodic table, silicon (Si) is a close relative to carbon (C). Although the element can be found... View Article
What is the difference between Healthy and Disease-Free?
Both healthy and disease-free are states of human who are normal. A healthy person can be disease-free but a disease-free... View Article
Name the quantity which can be denoted by joule/coulomb.
Answer: Potential difference is the quantity which is denoted by joule/coulomb. Potential difference The potential difference between any two points... View Article
What are horizontal rows in the periodic table known as?
Answer: Horizontal rows in the periodic table are called periods. Explanation There are eighteen vertical columns known as groups in... View Article
How many elements did Mendeleev’s periodic table contain?
Answer: Mendeleev’s periodic table contains 63 elements. Mendeleev Periodic Table Mendeleev claimed the famous periodic law that “Element properties are... View Article
On an industrial scale, H2O2 is prepared by oxidation of_________
Answer: On an industrial scale, H2O2 is prepared by oxidation of 2-ethylanthraquinol. Hydrogen peroxide(H2O2) Hydrogen peroxide is the simplest kind of peroxide... View Article
Calculate the molality of 12.5% w/w sulphuric acid?
Answer: Molality is defined as the “total moles of a solute contained in a kilogram of a solvent. \(\begin{array}{l}Molality(M)=... View Article
How many P-O-P bonds are there in in Pyrophosphoric acid?
Answer: Pyrophosphoric acid contains only one P-O-P bonds. Pyrophosphoric acid Pyrophosphate is the conjugate base of Pyrophosphoric Acid and is... View Article
