An oxide of sulphur contains 50% of sulphur in it. Its empirical formula is :
For sulphur, the percentage of sulphur divided by its molar mass gives = 50/32=1.56 For oxygen, the percentage of sulphur... View Article
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The binding energy of an electron in the ground state of an atom is equal to 24.6 eV. Find the energy required to remove both the electrons from the atom.
The binding energy of Helium atom=24.6 eV When one electron is removed from the helium atom, it becomes a single... View Article
Man in the life cycle of plasmodium is (a) Intermediate host (b) Secondary host (c) Primary host (d) None of the option
Option (b) Secondary host.
What are some of the benefits of using a firewall for your LAN
Some benefits of using a firewall for LAN are: Greater security. Helps in blocking Trojan horses. Provide access only for... View Article
Find oxidation number of sulphur in H2S2O7
Let the oxidation number of sulphur be x. The oxidation number of H and O are +1 and −2 respectively.... View Article
Describe the merits and demerits of well and tubewell irrigation in india
Merits of well and tubewell irrigation are<ul><li>It is an economical form of irrigation that can be adapted.</li><li>It is easy to... View Article
The iodine is obtained from (a) Polysiphonia (b) Chlorella (c) Laminaria (d) Porphyra
Option (c) Laminaria.
A cell, a resistor, a key, and an ammeter are arranged as shown in the circuit diagrams. What is the current recorded in the ammeter (1) Maximum in (i) (2) Maximum in (ii) (3) Maximum in (iii) (4) It’s the same in all.
Answer: (4) It’s the same in all. There are no changes in any of the circuits, hence current will be... View Article
A sphere of diameter 12 cm, is dropped in a right circular cylindrical vessel, partly filled with water. If the sphere is completely submerged in water, the water level in the cylindrical vessel rises by 3 5/9 cm. Find the diameter of the cylindrical vessel.
Given: Increase in the height of the cylinder due to the sphere, h = 3 5/9 = 32/9 cm Diameter... View Article
What is metameric segmentation?
In some animals, there are similar body segments and organ systems that are serially repeated one after another which is... View Article
For the given equations x+y=2 and x-y=3 find the value of x and y.
Given: x+y = 2 (eq.1) x-y = 3 (eq.2) To find: Values of x and y Solution: Adding the given... View Article
Name the tribe which was powerful in north west.
The tribe which was powerful in the north-west was Balochis.
What is meant by romanticism in history?
Romanticism in history refers to the cultured movement which focused on the emotions and mystical feeling of nationalists. The reasoning... View Article
Haemocoel is found in?
Haemocoel is found in? Cockroach and Pila Hydra and Aurelia Balanoglossus and Herdmania Taenia and Ascaris The correct option is... View Article
What is the criss cross method of the formula of magnesium nitride.
The following is the criss-cross method of the formula for magnesium nitride:
Discuss the concept of positive lifestyle.
A positive lifestyle refers to the positive attitude. It means focusing on the positive aspects of life and not worrying... View Article
Find the cube root of 17.
To find the cube root of a given number, the following formula is used: \(\begin{array}{l}sqrt[3]{a}approx x[(x^{3}+2a)/(2x^{3}+a)]\end{array} \) Where, a =... View Article
Every irrational number is a real number. State whether the given statement are true or false. Justify your answers.
The given statement is: Every irrational number is a real number. The given statement is true. This is because real... View Article
What is meant by primary sector?
When the activities are based directly on the natural resources, it is known as primary sector. An example of primary... View Article
What was the tax levied by the state called?
The tax levied by the state is known as taille.
