Chemistry Practicals Class 10

Reaction of Acids and Bases with Metals

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  • Engaging simulations with easy-to-teach instructions

About Simulation

  • You will have the opportunity to explore the reactions of zinc with sulfuric acid and sodium hydroxide safely and under controlled conditions through this interactive simulation, gaining valuable insights into chemical reactivity and the properties of zinc compounds.
  • Through the simulation, you can understand the reaction mechanism of zinc metal with sulfuric acid, enhancing your comprehension of chemical processes.
  • You can observe the evolution of gas during the reaction and test its properties using soap solution, providing a hands-on approach to learning about gas evolution reactions.
  • You can compare the reactions of zinc with different acids, such as hydrochloric acid, nitric acid, and acetic acid, within the simulation, allowing for a comprehensive understanding of zinc's reactivity with various acidic compounds.

Chemistry Practical Class

  • Through this interactive experience, you will investigate the reaction of zinc metal with sodium hydroxide solution, expanding your knowledge of chemical reactions involving zinc and alkalis.

Simulation Details

Duration – 30 Minutes
Easily Accessible
Languages – Odia & English
Platforms – Android & Windows



Acids are a class of substances characterized by their ability to donate protons (hydrogen ions, H+) to other substances. They are often defined as proton donors and typically have a sour taste. Acids can be categorized as strong or weak based on their ability to dissociate entirely or partially in an aqueous solution.

When an acid dissolves in water, it releases positively charged hydrogen ions (H+). In chemical reactions, these hydrogen ions can interact with other substances, such as bases or metals.

Common examples of acids include hydrochloric acid (HCl), sulfuric acid (H2SO4), nitric acid (HNO3), and acetic acid (CH3COOH). Acids play essential roles in various chemical processes, such as food digestion, industrial processes, and chemical reactions.

When an acid reacts with a metal, a salt and hydrogen gas are produced. This is a type of single displacement reaction where the metal displaces the hydrogen from the acid to form a salt.

In this specific activity, zinc granules are added to dilute sulphuric acid. The zinc displaces the hydrogen from the sulphuric acid to form zinc sulphate, a salt and hydrogen gas. The chemical equation for this reaction is as follows:

Chemistry Practical Class

The hydrogen gas produced in this reaction is then tested by passing it through a soap solution to form bubbles. When a burning candle is brought near these bubbles, they burst with a ‘pop’ sound, confirming the presence of hydrogen gas.

Chemistry Practical Class


A base is a substance that can accept a proton (H+) or donate an electron pair in a chemical reaction. Bases are commonly characterized by their ability to neutralize acids, forming water and salt. They typically have a bitter taste and a slippery feel.

Bases are often classified into two categories based on their solubility in water:

  1. Strong Bases: These are highly soluble in water and completely dissociate to produce hydroxide ions (OH-) in the solution. Examples include sodium hydroxide (NaOH) and potassium hydroxide (KOH).
  2. Weak Bases: These are partially soluble in water and do not completely dissociate. They produce fewer hydroxide ions in the solution. Ammonia (NH3) is a typical example of a weak base.

NaOH reacts with zinc to form sodium zincate and hydrogen.

Chemistry Practical Class

Watch this video to learn more about chemistry.

Requirements for this Science Experiment

  • Zinc metal granules
  • Sulphuric acid
  • Sodium hydroxide solution
  • Soap solution
  • Boiling tubes
  • Spatula
  • Test tube stand
  • Bunsen burner
  • Rubber cork
  • Delivery tube
  • Candle
  • Stand with a clamp

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