kclass

Copper sulphate crystallization | Crystallisation | Chemistry

2:08

Water of crystallization and copper sulphate | Water | Chemistry

2:30

Metals react with acids to produce salt and Hydrogen | Acid & Bases | Chemistry

1:50

Sulphur Dioxide forms an acid | Acids & Bases | Chemistry

1:56

Metal carbonates react with acids to produce salt and carbon dioxide | Acids & Bases | Chemistry

1:03

Volume measurement by displacement method | Density | Physics

1:39

Potassium permanganate and dilution | Molecular Structure | Chemistry

2:14

Different boiling points and distillation| Separation Methods | Chemistry

2:09

Separating mixtures using sublimation | Matter | Physics

1:18

Dilute acid, zinc and copper make an electric cell | Electricity | Physics

1:25

Water expands visibly when heated | Heat | Expansion | Physics

1:33

Iron filings reveal lines of force| Magnetism | Physics

2:05

Sedimentation produces partially clear water | Solutions | Chemistry

1:31

Thermometer to measure temperatures | Measurement | Physics

1:17

Salt and sugar are soluble in water but sand is Not | Solutions | Chemistry

1:26

Chemicals react and produce pure new substances | Chemical Compounds | Chemistry

2:11

Potato experiment | Osmosis | Biology

2:18

Flow of electricity through a potato creates blue starch iodide | Ions | Chemistry

1:46

Capillarity and Surface Tension | Surface Tension | Physics

1:48

Exothermic and endothermic dissolution | Solubility | Chemistry

2:41

Heat transmitted from candle | Heat | Physics

1:34

Filter paper separates wheat from water | Separation Methods | Chemistry

1:54

Light rays, opaque objects, umbra and penumbra regions | Light | Physics

1:04

Metallic oxides form salts | Acids & Bases | Chemistry

1:22

Turmeric as indicator | Acids & Bases | Chemistry

2:29

Using grain sizes to separate materials | Separation Methods | Physics

1:05

Make starch iodide paper | Indicators | Chemistry

2:30

Polar and non polar substances | Solutions | Chemistry

2:43

Evaporation causes cooling | Heat | Physics

1:17

Conduction | Heat | Physics

1:31

Application of heat speeds up chemical reactions | Chemical Reactions | Chemistry

2:14

Spring balance measures frictional force | Friction | Physics

1:57

Bending of Light by refraction | Light | Physics

1:43

Ionic compounds dissolve faster in water than covalent compounds | Solutions | Chemistry

1:14

Lemon sinks in water but floats on Glycerine | Density | Physics

1:34

Oxidation of Copper | Metals | Chemistry

1:10

Saturated and Unsaturated Fats | Nutrition | Biology

1:35

Use two straws to create a fine mist water spray | Pressure | Physics

00:47

Suction cup holds onto to surfaces | Atmospheric Pressure | Physics

1:27

Plants lose water as vapour during transpiration | Transpiration | Biology

2:33

Rate of dissolution more for smaller granules | Solutions | Chemistry

1:22

Melting point of napthalene using thermometer | State | Physics

2:18

Evaporation is faster in sunlight | Separation Methods | Physics

1:01

Reaction of Copper Oxide With Hydrochloric Acid

1:21

K-Klass - Let Me Show You

3:23

Restore a rose | Sulphur | Chemistry

1:58

Stethoscope | Circulation | Biology

1:18

Working of a megaphone | Sound | Physics

1:44

Reaction Between Sodium Hydroxide and Hydrochloric Acid

00:58

Decomposition of Ferrous Sulphate

1:04

Parts and operation of a compound microscope | Instruments | Physics

2:11

Floating objects displace water equal to their own weight | Flotation | Physics

1:22

Betanin in beet root acts as alkali indicator | Acids & Bases | Chemistry

2:04

Cleansing action of soap | Chemical reactions | Chemistry

1:49

Esters | Hydrocarbons | Chemistry

1:28

Tissue roll demonstrates capillary action | Surface Tension | Physics

1:37

Disappearing beaker | Light | Physics

1:25

Rubber band with hollow box produces sound | Sound | Physics

00:51

Ambulances, mirrors and lateral inversion | Light | Physics

1:09

Creating low pressure inside a plastic bottle crushes it | Pressure | Physics

1:56