class 11 chemistry

  Degree of Unsaturation             class 11 chemistry notes are very useful for your board as well as entrance exam in this article we are writing a small topic from class 11 chemistry notes know as degree of unsaturation Deficiency of two hydrogen atoms in a molecule is a result of either a pi-bond or … Continue reading class 11 chemistry

Sample papers

Sample papers are the most important study material which students needed during their preparations. Academic team of Entrancei uploaded almost 2500 plus sample papers for different competitive entrance exam like JEE,NEET,AIPMT,AIIMS,NTSE,RMO , BITSAT, SCRA ,Olympiad and CBSE class 11, 12 and 10 and many more. All sample papers are prepared as per the alters pattern … Continue reading Sample papers

Trigonometry Table

Trigonometry The Word ‘trigonometry’ is derived from the Greek words ‘tri’ (meaning tree), ‘gon’ (meaning sides) and ‘metron’ (meaning measure). In fact trigonometry is the study of relationship between the sides and angle o the triangle. In This chapter, we will study some ration of the sides of a right triangle with respect to its … Continue reading Trigonometry Table

Molarity formula

Molarity formula What is Molarity ? Many chemical reactions occur in the solution state and hence stoichiometric problems may sometimes involve different concentration terms of solutions to give an idea of amount of solute and solvent present in the solution. There are various ways to represent concentration of the solution as mentioned below. In a … Continue reading Molarity formula

Human Endocrine System

Human Endocrine System Chemical Coordination in Animals ·     In animals, there are special chemicals that regulate the physiological process, these are known as hormones. ·     Hormones are secreted by ductless glands or endocrine glands. ·     Endocrine glands do not have ducts, hormones from these glands are released directly into the tissue fluid and then carried … Continue reading Human Endocrine System

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