একাডেমিক IELTS (ব্যান্ড 5 এবং তার নিচে) - Chemistry

(science) the smallest part of a chemical element that is found in the nature

পারমাণবিক

the smallest structure of a substance consisting of a group of atoms

অণু

a substance that is composed of only one type of atom, typically characterized by specific physical and chemical properties

উপাদান, পদার্থ

a particle with a net electric charge due to loss or gain of one or more electrons

আয়ন

(chemistry) a process in which several chemicals combine and form different substances

প্রতিক্রিয়া, রাসায়নিক প্রতিক্রিয়া

(chemistry) a combination of two or more substances without forming a chemical bond or any chemical reaction

মিশ্রণ, সংমিশ্রণ

a water-soluble chemical substance that contains Hydrogen and has a sour taste or corrosive feature with a PH less than 7

অ্যাসিড

(chemistry) a substance that can accept protons, donate electrons, or release hydroxide ions in aqueous solution

ভিত্তি

the state of a substance that is neither solid nor liquid

গ্যাস

a substance such as water that flows freely, unlike a gas or a solid

তরল

a substance that is firm and has a certain shape, not like gas or liquid

সলিড, 固体物质

to make something change from a particular state, condition or position to another

পরিবর্তন করা, স্থানান্তর করা

a quantitive mesasure used for determining how acidic or alkanic something is on a scale of 0 to 14

pH