Download App

P-2 Disaster Management — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-2 Disaster Management5 Marks
Question
Complete the chart:
Complete the chart as per the objectives of the first aidr:t
✓

Answer

(Answers are given directly in bold.)
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

Explore more

More "Answer the following questions: [5 M]" from P-2 Disaster Management→P-2 Disaster Management — all question types→Science STD 10 question papers→Maharashtra Board STD 10 question papers→Maharashtra Board question paper generator→

Similar questions

Write in brief about progressive changes in animal classification.
→
Write a short note on slow speed and fast speed reactions.
→
 Who will spend more electrical energy? 500 W TV set in 30 mins, or 600 W heater in 20 mins?
→
Sketch, labell and classify: Octopus
→
A black metal oxide XO is used as a catalyst in the preparation of oxygen gas from potassium chlorate. The oxide XO is also used in ordinary dry cells. The metal oxide XO cannot be reduced satisfactorily with carbon to form metal X.
  1. Name the metal X.
  2. Name the metal oxide XO.
  3. Which reducing agent can be used to reduce XO to obtain metal X?
  4. Name another metal which can also be extracted by the reduction of its oxide with the above reducing agent.
→
A red-brown metal $X$ forms a salt $XSO_4$. When hydrogen sulphide gas is passed through an aqueous solution of $XSO_4,$ then a black precipitate of $XS$ is formed alongwith sulphuric acid solution.
  1. What could the salt $XSO_4$ be?
  2. What is the colour of salt $XSO_4?$
  3. Name the black precipitate $XS.$
  4. By using the formula of the salt obtained in $(a)$ above, write an equation of the reaction which takes place when hydrogen sulphide gas is passed through its aqueous solution.
  5. What type of chemical reaction takes place in this case?
→
Write Short note: Regeneration.
→
How would you conserve environment?
→
If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in.
  1. What is W known as?
  2. What is (i) X, and (ii) Y?
  3. What are organisms Z?
  4. State one way of removing layer W from the teeth.
→
Write a short note.
Regelation
→