SO2 when passed through water forms a solution of_______
Answer: SO2 when passed through water forms a solution of sulphurous acid. SO2(g) + H2O (l) →H2SO3 (aq) When SO2... View Article
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what is the raw material for chloro alkali process?
Answer: The raw material used for chloro alkali process is Sodium Chloride. Chloro alkali process When a concentrated solution of... View Article
Which method is used for preparation of metal sols?
Answer: Metal sols are prepared by making electrode of the metals and immersed in dispersion medium and electric arc is... View Article
What degree of longitude does each time zone cover?
Answer: 15° The Earth rotates on its axis and every 24 hours, it completes one full rotation. These 24 hours... View Article
What are some examples of covalent and ionic bonds?
Answer: Chemical Bonding refers to the formation of a chemical bond between two or more atoms, molecules, or ions to... View Article
What are outside raw materials used by an organism?
Answer: All living entities require energy to sustain and maintain life. Plants and animals slightly differ in their raw material... View Article
What is the time rate of change of momentum called?
Answer: The rate of change of momentum is directly proportional to the force. The resultant force is equal to the rate of change of... View Article
What is the newer deposits of alluvial soil called?
Answer: Khadar is the newer deposits of alluvial soil. Alluvial soils are generally associated with river floodplains, but alluvial soils... View Article
Nereis is an aquatic annelid. Its parapodia help it_________
Answer: Nereis is an aquatic annelid. Its parapodia help it swim. Nereis is a genus of Polychaeta worms in the... View Article
Hydrogen gas is not evolved when metals react with_______
Answer: Hydrogen gas is not evolved when a metal reacts with nitric acid because nitric acid is a strong oxidizing... View Article
How many valence electrons does a carbon atom have?
Answer: 4 Valency of an element is a measure of its combining power with other atoms when it forms chemical... View Article
How many atoms does one mole of Phosphorus contain?
We need to calculate how many atoms does one mole of Phosphorus contain. First let us know about the Phosphorous... View Article
Heating limestone at a temperature of 1070K we get________
Answer: Heating limestone at a temperature of 1070K we get quick lime i.e. CaO. CaCO3 ⇌ CaO (s) + CO2 (s)... View Article
What is the valency of N?
Answer: The atomic number of nitrogen is 7, the electronic configuration of nitrogen is, N(Z=7) = 1s2 2s2 2p3 To complete the octet... View Article
Which electrolyte is used in a nickel cadmium cell?
Answer: Potassium hydroxide electrolyte is used in a nickel cadmium cell. The nickel–cadmium battery is a rechargeable battery with electrodes made... View Article
Why is respiration regarded as a catabolic process?
Answer: Energy is provided by the breakdown of glucose molecules, respiration is referred to as a catabolic process. Both Glucose... View Article
Which is the strongest fundamental force of nature?
Answer: Strong nuclear force In nature, there are four universal or fundamental forces. Without these forces, all matter in the... View Article
What is the standard unit of measuring temperature?
Answer: Temperature is the energy state of the matter. The temperature of an object can be defined by the average... View Article
Name the compounds obtained on heating baking soda.
Answer: Above 60oC, baking soda gradually decomposes into sodium carbonate, water and carbon dioxide. Baking soda Baking soda is a... View Article
How to concentrate an ore of tin containing FeCrO4?
Answer: An ore of tin-containing FeCrO4 is concentrated by magnetic separation as FeCrO4 is ferromagnetic in nature. Magnetic separation based on... View Article
