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Month: December 2018

Chemistry

What Are Ten Properties of Gases?

December 13, 2018 - by admin - Leave a Comment

|Properties of gases| Volume: The volume occupied by the gas molecules in the vessel is very high as compared to actual sizes of the molecules. They do not have definite …

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Chemistry

HNO3 | Preparation, properties, acidic property |

December 13, 2018 - by admin - Leave a Comment

Introduction: HNO3, is a chemical of great commercial importance. There are three important methods for its manufacture. METHODS OF PREPARATION Laboratory method:From potassium nitrate (KNO3):HNO3, can be prepared on large …

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Chemistry

sio2 structure | giant structure or important points |

December 13, 2018 - by admin - Leave a Comment

sio2 structure. Carbon and silicon have four electrons in their valence shells. They are both tetravalent. It means that the structure of CO2 and SiO2 should be similar. But the …

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Chemistry

uses of sulphuric acid | Structure |

December 13, 2018 - by admin - Leave a Comment

Uses of sulphuric acid. Sulphuric acid is the king of chemicals. It is used in almost all the industries. Industrial development of a country can be best estimated from the …

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Environmental Chemistry

Pesticide definition | Types of pesticides contamination of soil and diseases |

December 13, 2018 - by admin - Leave a Comment

Pesticide definition. Those substance which can directly kill an unwanted organism or control by interfering with its reproduction process are called pesticides. Pests harm the crops and transmit diseases both …

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Environmental Chemistry

What is Ozone? | Ozone pollution Ozone hole CFCs Ozone |

December 13, 2018 - by admin - Leave a Comment

What is the ozone present? Ozone is an allotrope of oxygen. It is present in the form of the layer in the stratosphere and surrounds the globe at a distance …

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Chemistry

Allotropes of phosphorus | White Red Black Phosphorus |

December 13, 2018 - by admin - Leave a Comment

Allotropes of phosphorus Phosphorus exists in at least six allotropic forms which are all solids at room temperature. Anyhow, we will mention only three: White phosphorus Red phosphorus Black phosphorus …

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Analytical Chemistry

Chemical equilibrium | Equilibrium State | Equilibrium-Constant Expressions |

December 13, 2018 - by admin - Leave a Comment

Chemical Equilibrium. The reaction used in analytical chemistry never result in complete conversion of reactants to products. Instead, they start working to a state of chemical equilibrium in which the …

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bio chemistry

Questions on Carbohydrates with answers

December 13, 2018 - by admin - Leave a Comment

What are carbohydrates? Carbohydrates are polyhydroxy aldehydes and ketones which contain hydrogen and oxygen in the number of standard water (2:1) or those substances which are converted into polyhydroxy aldehydes …

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Organic chemistry

What is Protein? – Structure, Isolation, importance, Denaturation

December 13, 2018 - by admin - Leave a Comment

What is protein? Proteins are polymers of α-amino acids bonded by peptide linkages. Their molecular load range from 5000 to many millions. They occur in all living cells. Without proteins, life …

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