10 Facts About Earth

Top 10 Interesting Facts About Mother Earth Lets learn 10 interesting facts about mother earth… 1. Earth is the 3rd planet from the Sun.2. About 2/3 of the mother earth is covered by water.3. Age of planet earth is about 4.5 billion years.4. Earth has a moon, which orbiting earth and completes one cycle in …

Analytical Balance

Analytical Balance What is an analytical balance? Analytical balance is a lab-instrument used to determine mass of any matter very precisely. These analytical balances are very sensitive and expensive lab-instruments, and also upon the accuracy and precision of analytical balance the accuracy of lab-analysis result depends so handle these balances very carefully. Generally used analytical …

Catalytic Decomposition of Hydrogen Peroxide H2O2 – Elephant’s Toothpaste Experiment

Catalytic Decomposition of Hydrogen Peroxide H2O2 – Elephant’s Toothpaste Experiment Elephant’s toothpaste is a foamy substance, formed as a result of rapid decomposition of hydrogen peroxide. Elephant’s toothpaste is a chemical reaction experiment. This experiment is generally used for classroom demonstrations, as it requires fewer ingredients and makes a “volcano of foam”.   Description of …

Chemical Reaction Quiz Part16

  Chemical Reaction Quiz Science Quiz by www.ChemistryNotesInfo.com Source www.reddit.com This Chemical Reaction Quiz part16 is based on chemical reactions. 1. Chemical reaction always gives- Reactants A change of state A different substance Water All of the above Show Answer 2. From given below, 4-balanced chemical equations, which is example of combustion reaction- 2Mg + …

Chemical Reactions Quiz Part15

  Chemical Reactions Quiz Science Quiz by www.ChemistryNotesInfo.com This Chemical Reactions Quiz part15 is based on chemical reaction. 1. Chemical Reaction, 2H₂O → 2H₂ + O₂ is a- Synthesis Reaction Decomposition Reaction Combustion Reaction Single Displacement Reaction Double Displacement Reaction Show Answer 2. Chemical Reaction, 8Fe + S₈ → 8FeS is a- Synthesis ReactionDecomposition Reaction …

Science Quiz Part14

Science Quiz on Measuring Devices Science Quiz by www.ChemistryNotesInfo.com This Science Quiz part14 is based on different measuring devices or measuring instruments used in the field of Science. 1. Distance traveled, displacement is measured by: TaxmeterTaximeterDistancemeterDisplacementmeter Show Answer 2. Surface tension of the liquid is measured by: TacheometerTintometerTensiometerTachometer Show Answer 3. Temperature is measured by: …

Science Quiz Part13

Science Quiz on Measuring Devices Science Quiz by www.ChemistryNotesInfo.com This Science Quiz part13 is based on different measuring devices or measuring instruments used in the field of Science. 1. Color is measured by: TintometerColor MeterColor Identification DevicesColor Measuring Instrument Show Answer 2. Speed, velocity of the vehicle is measured by: Speed DetectorSpeed TesterSpeedometerNone of the …

Science Quiz Part12

Science Quiz on Measuring Devices Chemistry GK by www.ChemistryNotesInfo.com This Science Quiz part12 is based on different measuring devices or measuring instruments used in the field of Science. 1. Intensity of the light as a function of the wavelength is measured by: SpectrometerSpectrophotometerSpectroscopyColor Spectrophotometer Show Answer 2. Properties of light is measured by: SpectrometerSpectrophotometerSpectroscopyColor Spectrophotometer …

Science Quiz Part11

Science Quiz Chemistry GK by www.ChemistryNotesInfo.com This Science Quiz part11 is based on different measuring devices or measuring instruments used in the field of Science. 1. Osmotic strength of the solution, colloid is measured by: OsmosisindicatorpH MeterOsmometerRotameterShow Answer 2. pH is measured by: PyrometerpH MeterOhmmeterBerometer Show Answer 3. Illuminance or irradiance is measured by: PhotometerLight …

Amino Acids

Amino Acids Definition of Amino Acid Amino acid is a simple organic compound that contains a carboxyl (—COOH) and an amino (—NH2) group. What are Amino Acids? Amino acids are organic compounds containing carboxyl (—COOH) and amino (—NH2) functional group with side chain, this side chain is specific to amino acid. Carbon, Hydrogen, Oxygen and …

Smartphone Chemistry

Chemistry of Smartphone About 20 years before no one use smartphones but nowadays everyone have a smartphone. Apple iPhone 7 Plus, Google Pixel XL, Samsung Galaxy S7 Edge, LG G5, OnePlus 3, HTC 10 and Huawei Nexus 6P are examples of some popular smartphones. This article is all about chemistry behind smartphones by Chemistry Notes …

Chemistry GK Part10

Science General Knowledge Chemistry GK by www.ChemistryNotesInfo.com This chemistry GK part10 is based on different measuring devices or measuring instruments used in chemistry and science. Q1. Measurement of force is measured by Load Meter Mass Cell Weight Cell Load Cell Ans of Chemistry GK MCQ Question Q1: Load Cell Q2. Intensity of light is measured …

Chemistry GK Part9

Chemistry MCQ Chemistry GK by www.ChemistryNotesInfo.com This chemistry GK part9 is based on different measuring devices or measuring instruments used in chemistry and science. Q1. Fuel level is measured by Speedometer Fuel Scale Fuel Meter Fuel Gauge Ans of Chemistry GK MCQ Question Q1: Fuel Gauge Q2. Electricity is measured by Ammeter Galvanometer Amplifier Currentmeter …

Chemistry GK Part8

Chemistry General Knowledge Chemistry GK by www.ChemistryNotesInfo.com This chemistry GK part8 is based on different measuring devices or measuring instruments used in chemistry and science. Q1. Structure of crystals is measured by Crystal Gauge Diffractometer Diffractoscale Dynamometer Ans of Chemistry GK MCQ Question Q1: Diffractometer Q2. Size, speed, and velocity of raindrops is measured by …

Chemistry GK Part7

Chemistry GK Chemistry General Knowledge Chemistry GK by www.ChemistryNotesInfo.com This chemistry GK part7 is based on different measuring devices or measuring instruments used in chemistry and science. Q1. _________ is use to measure rain Rain Gauge Rainmeter Rain Scale None of the above Ans of Chemistry GK MCQ Question Q1: Rain Gauge Q2. alcoholic strength …

Density

DENSITY Density of many samples is measured in labs for example in unites states oil and gas industry, they define density in general way as ‘weight per unit volume’ although ‘weight per unit volume’ is not density it is ‘Specific Weight’ so density is ‘mass per unit volume’. Density is also known as “Volumetric Mass …

Volumetric Analysis Chemistry Formulas

Volumetric Analysis Volumetric Analysis is a quantitative chemical analysis method. In Volumetric analysis, we measure the volume of the standard solution (whose concentration is known) to know the unknown concentration of the analyte. Volumetric analysis is also called titrimetric analysis. The basic principle of titration is “concentration of a substance in solution is measured by …

Gravimetric Analysis Chemistry Formulas

Gravimetric Analysis Gravimetric Analysis is a quantitative chemical analysis method. In gravimetric analysis, we establish relationship between weights of two substances or sometimes establish relationship between weight of a substance with volume of gas or gases. How to Solve Problems of Gravimetric Analysis for Mass to Mass Relationship Solve problems of gravimetric analysis for mass …

Chemical Arithmetic and Chemical Stoichiometry

Chemical Arithmetic Chemistry is mainly an experimental science, in which we study about physical properties and chemical properties of different substances and measure these properties up to highest possibility with great efforts to get results with great precision and accuracy. Results of our experimental measurements or numerical problems have- Arithmetic number, Unit of measurement. Chemical …

Chemical Test

Chemical Test In Chemistry, Chemical Test are performed to measure or analyze Biochemical, Organic and Inorganic elements and chemical compounds. Chemical testing of water, chemical composition analysis of any compound, chemical test for organic compounds, chemical test for inorganic compounds, chemical test for functional groups, elemental analysis, chemical testing of food for its ingredients and …