SureDen
Electrolytic Conduction: - Substance that allows passage of electricity is called conductors. Sub. That does’t allow passage of electricity are called i
Microbes in sewage treatment:
Sewage is a term that is often used for waste water including feaces, urine, laundry waste and many
SWIMMER PROBLEMS
Consider a river of width D.
Let Vr= velocity of system
Quality of diesel - cetane number
Cetane number is defined as the percentage of cetane in a mixture of cetane and -methyl naphthalene, which has th
Tracovalency
A carbon atom has a total of six electrons occupying the first two shells, i.e., the K-shell has two electrons and the L-shell has fou
Balancing of REDOX REACTION
Two types of Balancing of REDOX REACTION:
There are two very important met
Hydroponics (soil less culture ):- Developed by Goerick in 1940. In this method, a nutrient solution is taken in which plants are grown by dipping their roots. This reduces th
Fuel cells:- Cells which can convert energy produced during the confusion of fuels directly into electrical energy. Fuel can be hydrogen, methane, methanol et
Applications of Newton’s Laws
(a) When objects are in equilibrium
Infertility and assisted infertility technologies:
A large number of couples all over the world are infertile, that is they are unable to produce c
Electronic interpretation of oxidation and reduction
From the above reactions, it can be seen that the oxidation-reduction reactions involve transf
Pregnancy:
Some finger-like projections appear on the trophoblast called chorionic villi which are surrounded by the uterine
Effects of alcohol:
It has an anesthetic effect on nervous system. It affecs our body in following ways:
Reckless behavior.
Weightlessness.
The weight of a body is the force with which it is attracted towards the centre of earth. When a body is stationary with respect to
Preparation of Oxides:
By direct heating of an element with oxygen
Many metals and non-metals burn rapidly when heated in oxygen or air,
Biotechnology in medicines:
The recombinant DNA technology is used in the production of therapeutic drugs and these drugs a
Air Pollution:-
Any undesirable change in composition of air which is harmful for living organism.
Causes of air pollutio
Test Details
In the above problem the mean velocity of rocket in reaching the maximum height will be
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