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Q. What are Independent and dependent variables?
An experiment is a set of controlled explanation that tests a hypothesis. In a research a scientist will set up and change one variable at a time. A variable is a quantity which can have more than one value. The variable which is changed in an experiment is called the independent variable. The variable which you watch to see how it changes as a result of your changes to the independent variable is called the dependent variable. For instance if you wanted to test the effect of fertilizer on plant growth you would change the amount of fertilizer applied to the same kinds of plants. The quantity of fertilizer applied would be the independent variable in this experiment. Plant growth would be the dependent variable. Several experiments also include a control which is a standard for comparison in this case plants to which no fertilizer is applied.
Correct set of four quantum numbers for valence electron of rubidium (Z = 37) is: (1) 5,0,0,+1/2 (2) 5, 1,0,+1/2 (3) 5,1,1,+1/2
Give the styx code of B4 H10 and which type of bond present in it?
Q. What condensed matter? Ans. There are four states of matter: solid, liquid, gas, and plasma. In this chapter, we will study liquids and solids which are called condens
The atomic number of an element is 35. What is the total number of electrons present in all the p-orbitals of the ground state atom of that element: (1) 6 (2) 11
what are basic radicals
One step in the preparation of nicotine sulfate from tobacco is the extraction of nicotine from aqueous solution by kerosene. The table below shows equilibrium data for the distri
Middle oil of coal-tar distillation comprise naphthalene and phenolic elements. Phenolic compounds are isolated in subsequent steps. Step a: Middle oil is washed along with H 2
why wood doesnot sublimine ?
mention the condition required of maximum the yield of ammonia.?
characteristic of solvents
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