Chemistry Metal & Non-Metal Part 12 (Reaction with Bases) Class 8 VIII

TL;DR

Metals react with bases to produce salt and hydrogen gas, while nonmetal oxides react with bases to produce salt and water.

Transcript

hello friends this video on metals and nonmetals part 12 is brought to you by exam feel calm no more fear from exam so now let us talk about the reaction with basis how do metals react with the bases now how do you identify bases now we have been talking about acid bases axle bases we have talked about litmus test now how do you know which is a bas... Read More

Key Insights

• 🫢 Metals react with bases to produce salt and hydrogen gas.
• 👅 Bases can be identified by their bitter taste and soapy touch.
• ❓ Examples of bases include sodium hydroxide, calcium hydroxide, and sodium carbonate.
• 💦 Nonmetal oxides react with bases to form salt and release water.
• 🤘 The reaction between nonmetal oxides and bases is different from the reaction between metals and bases.
• 🤘 The reaction between metals and bases can be used to identify the presence of metals.
• 💦 Nonmetal oxides, such as carbon dioxide and sulfur dioxide, react with bases to form salts and water.

Questions & Answers

Q: What is the reaction of metals with bases?

Metals react with bases to form salt and release hydrogen gas. For example, zinc reacts with sodium hydroxide to form sodium zincate and hydrogen gas is released.

Q: How can we identify a base?

Bases have a bitter taste and a soapy touch. Some examples of bases include sodium hydroxide, calcium hydroxide, and sodium carbonate.

Q: Do nonmetals react with bases?

Yes, but nonmetal oxides react with bases. They form salt and release water. For instance, carbon dioxide reacts with sodium hydroxide to form sodium carbonate and water.

Q: What is the difference between metal and nonmetal reactions with bases?

Metals release hydrogen gas when they react with bases, while nonmetal oxides release water. This is because metals directly react with bases, while nonmetal oxides react with bases to form salts and water.

Summary & Key Takeaways

• Metals react with bases to form a salt and release hydrogen gas.

• Examples of bases include sodium hydroxide, calcium hydroxide, and sodium carbonate.

• Nonmetal oxides react with bases to form a salt and release water.