Class 10

Periodic Properties and variations of Properties – Physical and Chemical|CFQ Questions|Class 10|Biswajit Das

All About Chemistry3 days ago2 days ago022 mins

The periodic table is a fundamental tool in chemistry that helps understand the physical and chemical properties of elements. These properties follow specific trends due to the arrangement of elements based on their atomic number and electronic configuration. The concept of periodicity arises because elements with similar outer electron configurations exhibit similar characteristics at regular…

Reaction between calcium chloride and sodium hydroxide

All About Chemistry5 days ago5 days ago01 mins

Calcium Chloride reacts with sodium hydroxide to form a white precipitation of calcium hydroxide and sodium chloride. Calcium hydroxide is insoluble in excess NaOH.

Reaction between calcium nitrate and sodium hydroxide(NaOH)

All About Chemistry5 days ago5 days ago01 mins

Calcium nitrate reacts with sodium hydroxide to form a white precipitation of calcium hydroxide and sodium nitrate. Calcium hydroxide is insoluble in excess NaOH.

Competency Focused Questions (CFQ) ICSE Chemistry| Study of Acids, Bases and Salts|Biswajit Das

All About Chemistry7 days ago3 days ago061 mins

Welcome to an in-depth study of acids, bases, and salts, the very building block of ICSE Chemistry! The article is aimed at de-mystifying these important chemical concepts and providing you with the information and insight necessary to succeed in your studies and approach competency-based questions (CFQs) with confidence. Acids, bases, and salts are not mere…

Which gas Decolourises potassium permanganate (KMnO4) solution?

All About Chemistry1 week ago1 week ago03 mins

Which gas Decolourises potassium permanganate (KMnO4) solution? (a) Sulphur dioxide(b) Ammonia(c) Hydrogen chloride(d) Carbon dioxide Ans: Sulphur dioxide The Chemistry Behind the Decolorization Potassium permanganate (KMnO₄) is a strong oxidizing agent, meaning it readily accepts electrons. In its usual state, the permanganate ion (MnO₄⁻) imparts a deep purple color to the solution. Sulphur dioxide (SO₂)…

ICSE CHEMISTRY 2025 ANSWER KEY

All About Chemistry1 week ago1 week ago06 mins

Welcome to your best guide to excel in the ICSE Chemistry curriculum for the 2025 examination! Are you a student aiming for high marks, a teacher looking for overall support, or a parent committed to your ward’s academic superiority? You’re at the right place. Our carefully crafted ICSE Chemistry 2025 Answer Keys offer unmatched guidance…

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ICSE CHEMISTRY 2025 Last minute Suggestions

All About Chemistry3 weeks ago3 weeks ago038 mins

Stuck on periodic properties, chemical bonding, or the nuances of organic chemistry? Battling the daunting realm of electrolysis and metallurgy? Worry not, ICSE 2025 chemistry candidates! This in-depth guide is your go-to last-minute study aid, created to reinforce your knowledge and give you that confidence boost in the exam. We will tackle the fundamentals, from…

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200 IMPORTANT ICSE 2025 CHEMISTRY QUESTIONS

All About Chemistry2 months ago2 months ago044 mins

Welcome, ICSE Chemistry aspirants! As you embark on your journey to conquer the 2025 board exam, meticulous preparation is your greatest ally. This comprehensive collection of 200 pivotal questions is meticulously crafted to align with the latest ICSE syllabus and exam pattern. It’s your ultimate toolkit to not just familiarize yourself with the types of…

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All About Chemistry3 years ago3 years ago01 mins

Class-10-Semester-2-P.S-1

All About Chemistry3 years ago3 years ago01 mins