Question


| Property of metal | Use in everyday life |
| i. Ductility | i. Gold, silver ornaments |
| ii. Malleability | ii. Aluminium sheets, galvanised sheets |
| iii. Conduction of heat | iii. Stainless steel vessels, copper vessels, boilers |
| iv. Conduction of electricity | iv. Copper wires |
| v. Sonority | v. Brass articles |
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| Solution | Change in Indicator | Acid/Base | ||
| Litmus | Phenolphthalein | Methyl orange | ||
| 1. | ……… | No change | ……… | |
| 2. | ……… | ……… | Orange colour turns red | |
| 3. | Red litmus turns blue | ……… | ……… | |
| Type | Systolic pressure | Diastolic pressure |
| Normal blood pressure | …………….. | …………….. |
| Primary hypertension | …………….. | …………….. |
| Hypertension stage - I | …………….. | …………….. |
| Hypertension stage - II | …………….. | …………….. |

| Isotopes | Proton number | Neutron number |
| 11H | ||
| 21H | ||
| 3517Cl | ||
| 3517Cl | ||
| 3717Cl |
| Organ systems | Organs | Functions |
| 1. Respiratory system | ||
| 2. Circulatory system |


