Question
Write short notes on or Explain:
Concrete
Concrete
✓
Answer
- Concrete is prepared by mixing cement, water, sand and gravel.
- For making a strong and leak proof slab certain substances are mixed in concrete.
- Now a days, roads are made of concrete because they are very durable, strong and smooth.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Why is the said that –
There is no alternative to water for cleaning purposes.
There is no alternative to water for cleaning purposes.
Read each of the following statements. Write a paragraph about it.
We have long ears.
We have long ears.
Explain the types of nutrition.
Match the columns.
| Column ‘A’ | Column ‘B’ |
| 1. Cactus | a. Herbivorous animal |
| 2. Pine | b. Carnivorous animal |
| 3. Tiger | c. Snowy region plant |
| 4. Blackbuck | d. Desert plant |
Explain the picture in your own words.
Classify according to food-type.
Tiger, cow, vulture, bacteria, deer, goat, human, fungus, lion, sparrow, buffalo, frog, cockroach, tick.
Tiger, cow, vulture, bacteria, deer, goat, human, fungus, lion, sparrow, buffalo, frog, cockroach, tick.
What is meant by parasitic plants? Name their different types with examples of each.
Write differences between xylem and phloem.
Explain the process of production of food in plants.
What are the remedial measures for the following calamities?
Lightning strike:
Lightning strike: