Across
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Complete the crossword given in figure with the help of the clues.

Across
1. Which is generally hard

Academic Chemistry NCERT Class 8

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Updated on: 10-Oct-2022

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Complete the crossword in figure with the help of the clues:Across1. Fuels obtained from dead remains of living organisms. (6
Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?IronSodiumGoldMagnesium
Complete the crossword with the help of the clues.Across1. Non-metal which catches fire if exposed to air. (10)3. The lowest temperature at which a substance catches fire is called its …………. temperature. (8)5. The most common fire extinguisher. (5)Down2. A chemical process in which a substance reacts with oxygen to give off heat. (10)4. Petrol is used as a ………….. in automobiles. (4)6. It is as hard as stone and black in colour. (4)"
Complete the data of the table given below with the help of the distance-time graph given in the figure.Distance $(m)$04?12?20Time $(s)$024?810"
Complete the table with the help of these boxes and use decimals to write the number."
Complete the given table:
Crossword Puzzle Complete the crossword given below with the help of clues.Across1. Substance used as synthetic wool. (7)2. A plastic used for making containers and carry bags. (9)3. Substance made up of large number of smaller molecules. (7)4. Another name for this compound is artificial silk. (5)Down5. A type of fibre obtained naturally from cocoon. (4)6. A synthetic fibre classified as polyester. (8)7. A polymer used for making ropes. (5)
Name the angles in the given figure."
Which of the following properties is generally not shown by metals?DuctilitySonorousDullnessElectrical conduction
Complete the crossword with the help of clues given below.Across1. This is necessary for photosynthesis.3. Term for component present in the cytoplasm.6. The living substance in the cell.8. Units of inheritance present on the chromosomes.Down1. Green plastids.2. Formed by collection of tissues.4. It separates the contents of the cell from the surrounding medium.5. Empty structure in the cytoplasm.7. A group of cells."
What is the method with the help of which the hexadecimal value can be treated as a number?
Which of the following property is generally not shown by metals?Electrical conductionSonorous in natureDullnessDuctility

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