Question
How do non-metals react with oxygen? Explain with an example.

Answer

Non-metals combine with oxyen to form their oxides.
Non-metal + Oxygen → Non-metal oxide
When carbon burns in air, it combines with oxygen to form carbon dioxide.

Image

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Material:
Torch light, mirror, a stand for hanging the mirror, black paper, comb, white paper, drawing board.
Activity :
1. Fit a white paper tightly over a table or drawing board.
2. Leaving out some portion in the middle of the comb, cover the rest with black paper so that light can only pass through the open central portion.
3. Hold the comb perpendicular to the white paper and throw torch light on its central portion.
4. Adjust the comb and torch so as to get light rays on the white paper. Now keep a mirror in the path of this ray of light as shown in the figure.
5. What do you observe?

Image

What is greenhouse effect?
Classify the following into acidic substances, basic substances and salts.
(1) Lime water, (2) soda water, (3) soap water, (4) sea water, (5) sweet limeuice, (6) sugar caneuice, (7) buttermilk, (8) a mixture of ash in water, (9) tamarind water.
A blacksmith plunges a 2 kg horseshoe at $400^{\circ} C$ into 1 kg of water at $20^{\circ} C$. Find the maximum temperature of the water. [Specific heat of iron $\left.=0.11 kcal /\left( kg -{ }^{\circ} C \right)\right]$
A plastic cube is released in water. Will it sink or come to the surface of water?
The volume of an object is $20 cm^3$ and the mass is 50 g . The density of water is $1 gm ^{-3}$. Will the object float on water or sink in water?
Give the preventive measures of Cancer:
What are the effects of increased population (of human beings) on ecosystems?
Respiration is a chemical change.
When a rubber sucker is pressed onto a flat glass surface, it sticks tightly on the surface. Why? You need a large force to separate it from the surface. Why?