Question
What are the major steps involved in this wool factory.
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Similar questions
| 1. | Nylon | (a) | Artificial silk |
| 2. | PET | (b) | Artificial wool |
| 3. | Rayon | (c) | Parachute |
| 4. | Acrylic | (d) | Polyester |
| 1. | Rubber | (a) | Erect |
| 2. | Greased paper | (b) | Inverted |
| 3, | Real image | (c) | Opaque medium |
| 4. | Virtual image | (d) | Translucent medium |
Arrange in Correct Sequence
| 1. | Mix water, starch, vinegar and glycerin in a cooking pot. |
| 2. | Let the article cool for 24 hours before we use it. |
| 3. | Shape material to form a cup or bowl. |
| 4. | Continuously mix on medium heat until the liquid turns clear. |
| 5. | When the liquid begins to bubble it is ready to be taken off the stove. |
| 6. | Spread the gel onto aluminium foil and cool. |
- Dry cells – (a) Reversible
- Electrolyte – (b) Opens or closes the circuit
- Switch – (c) Solution
- Secondary cell – (d) Torches
- Protozoa- (a) Spongy bones
- Annelida- (b) Hermaphrodite
- Coelenterata- (c) Soft body
- Aves- (d) Colonial forms
- Mollusca- (e) Conjugation
Match the following
| Sr. No. | A | B | C |
| 1. | Melting | Change of state from liquid to solid | Ticking of clock |
| 2. | Condensation | Change of state from liquid to gas | Formation of ice cube |
| 3. | Evaporation | Change of state from solid to liquid | Collecting flowers |
| 4. | Freezing | Change of state from gas to liquid | Ice cube to water |
| 5. | Periodic change | Occurs at irregular time intervals | Water to steam |
| 6. | Non-periodic change | Occurs at regular time intervals | Steam to water drops |
Match the following.
| 1. | Valency | Fe |
| 2. | Neutral particle | Proton |
| 3. | Iron | Electrons in the outermost orbit |
| 4. | Hydrogen | Neutron |
| 5. | Positively charged particle | Monovalent |
| 1. | Galileo Galilei | (a) | Earth is at the centre |
| 2. | Heliocentric theory | (b) | Dr. A.P.J. Abdul Kalam |
| 3. | Geo-centric theory | (c) | Jupiter – bound space probe |
| 4. | ‘ Missile man of India | (d) | Sun is at the centre |
| 1. | Plastic bags | (a) | Polyvinyl chloride |
| 2. | PVC | (b) | Natural fibre |
| 3. | Melamine | (c) | Non-bio degradable |
| 4. | Wood | (d) | Thermosetting plastic |