Author: Swarna Karmakar
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Macro Nutrients Tests – Food tests for class 11-12 | Labkafe
Among the major laboratory experiments in the class XI-XII biology practical are the Macro Nutrient Tests. Also commonly known as food tests for class 11 or 12, this is actually a group of five tests ‒ one each for starch, glucose, sucrose, protein, and fat. Today, we will describe each of those tests for your…
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What is a wash bottle | Laboratory wash bottles | Squeeze bottles | Labkafe
What is a Wash Bottle A wash bottle is basically a squeeze bottle with a long bent beak, seen mostly in chemistry and biology laboratories. They are generally made of semi-soft plastic that gives away when pushed. This pressure on the bottle squeezes it and enforces the same amount of pressure on the liquid inside.…
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Universal Indicator ‒ What is it, Why Do We Need It, and How to Use | Labkafe
Working in a chemistry laboratory with lots of acids and bases? Great stuff, but how do you know what you made is acidic or alkaline? You can hardly tell from the looks, and performing individual tests every time is insane. This is where an universal indicator comes in handy, which can detect how acidic or…
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Biology Lab Consumables Used in High School Laboratories | Labkafe
As you know, the biology lab is one of the most complicated school laboratories in terms of lab supplies. Today, we present you with the list of biology lab consumables. In this list, you will find the 20 most common bio lab consumables as per CBSE ICSE IGCSE IB State Board curriculums. You can use…
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WBCHSE Biology Practical Syllabus | List of Experiments | Labkafe
List of WBCHSE Biology Practicals | Biology Practical Syllabus The HS Biology exams are right around the corner, and so we are publishing the list of WBCHSE biology practical experiments and demonstrations. The west bengal board biology lab syllabus is published along with the classroom curriculum, which is available as PDF files from the official website…
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WBCHSE Chemistry Practical List | West Bengal Board HS Chemistry Lab | Labkafe
The practical exams of the West Bengal board are right around the corner. As such, students of Higher Secondary grade (class XI, XII) of the WBCHSE board will benefit from this list of WBCHSE Chemistry Practical Experiments. Your school would need to teach you to perform all of the following lab experiments in order for…
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WBCHSE Physics Practical Syllabus | West Bengal Board HS Curriculum | Labkafe
The West Bengal Council of Higher Secondary Education, or WBCHSE, has released its syllabus for classes XI and XII for the present and coming year. So we are presenting here the WBCHSE physics practical syllabus for classes 11 & 12. Students can study the syllabus to see which of the HS physics practicals they have…
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Analytical Balance | Precision Digital Balance | Laboratory Weighing Balance | Labkafe
A science laboratory is a place of high precision measurements. There are instruments like vernier calipers or screw gauges to measure length, high-precision timers to measure intervals, and volumetric measuring glassware to measure liquids. But when you need to measure the mass of something tiny, you need precise digital weighing balances. Today, we will tell you what is an…
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Lab workbench ‒ The Most Common Lab Furniture | Labkafe
The most prominent lab furniture, in any laboratory, is the lab workbench. Indeed, it forms the very foundation of all lab work. Test tubes and microscopes may be iconic about labs because of their application ‒ but without a lab bench, where will you operate them? Acting as the primary lab furniture in most school, college and…
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Cambridge Curriculum ‒ All you need to know | What is Cambridge Curriculum | Labkafe
With time, the education framework has changed a lot. The world is connected and has become much smaller than it is, and now we have to think of everything in global terms, including education. And that is where the Cambridge Curriculum comes in. Today, we will discuss what this so-called ‘Cambridge Pathway’ is and why…
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Solubility of Salts ‒ Why Common Salts are So Soluble in Water | Labkafe
We have already discussed why water is the best solvent all-around in a previous blog article; but what about the things that get dissolved in water? There are sugar and salts and various other stuff that get dissolved in water, but salts have the best solubility in water. Now, why should that be? In chemistry labs you…
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How To Prepare Original Solution | Labkafe
Last week we discussed the Salt Analysis experiment in chemistry lab class 12 practicals. While talking about performing various tests on the original solution or water extract of the salts, we realized that not everybody can be savvy about how to make the original solutions of salts, or, as they are also called, stock solutions. Hence, we…
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CBSE HS Lab Design | How to Set Up School Laboratory for Class X-XII | Labkafe
Building a school is a noble task, but difficult and complicated. Building the laboratories for the school, doubly so. Normally with a classroom, you don’t have to bother much ‒ but a lab is so much more than a classroom. So, today we shall discuss CBSE HS Lab design ‒ you know, how to set…
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Why Water is Called a Universal Solvent | Labkafe
Water is a Universal Solvent, but Why? We cannot imagine life without water. All living things depend upon water in various degrees, and for a good reason. The reason is, water is a universal solvent. What does that mean, and why is water a universal solvent? Today we will set out to explore this. Water…
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Color of Common Salts Used in School Laboratories | Labkafe
Your school laboratory has a lot of chemical compounds to work with. Many of them are solid salts used for various reasons. If you are to be a good chemist or at least want to score some fame in the chemistry lab, then you have to be able to identify various compounds by the color…