Hydathodes

Hydathodes

Mention the exact location of the following:

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State two differences between Heat Capacity and Specific Heat Capacity
  1. State two differences between “Heat Capacity” and “Specific Heat Capacity”.
  2. Give a mathematical relation between Heat Capacity and Specific Heat Capacity.
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Hydrogen chloride gas fumes in moist air

State one relevant reason: Hydrogen chloride gas fumes in moist air.

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The exchange of chromatid parts between the maternal and the paternal chromatids

The exchange of chromatid parts between the maternal and the paternal chromatids of a pair of homologous chromosomes during meiosis.

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The element with highest ionization potential is

The element with highest ionization potential is:

  1. Hydrogen
  2. Caesium
  3. Radon
  4. Helium
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An object AB is placed between O and F1 on the principal axis of a converging lens as shown in the diagram

An object AB is placed between O and F1 on the principal axis of a converging lens as shown in the diagram.

Copy the diagram and by using three standard rays starting from point A, obtain an image...

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The mild chemical substance which when applied on the body kills germs

 The mild chemical substance which when applied on the body kills germs. 

Give appropriate biological / technical term.

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If the straight lines 3𝑥 − 5𝑦 = 7 and 4𝑥 + 𝑎𝑦 + 9 = 0 are perpendicular

If the straight lines 3𝑥 - 5𝑦 = 7 and 4𝑥 + 𝑎𝑦 + 9 = 0 are perpendicular to one another, find the value of a.

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It had no eyes, ears, nose or mouth

Read the extract given below and answer the questions that follow:

It had no eyes, ears, nose or mouth. It was just a round smooth head - with a school cap on top of it! And that’s where the story should...

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The process by which sulphide ore is concentrated

The process by which sulphide ore is concentrated.

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In the figure given below, O is the centre of the circle and AB is a diameter

In the figure given below, O is the centre of the circle and AB is a diameter.

If AC = BD and ∠AOC = 72o. Find:

  1. ∠ABC
  2. ∠BAD
  3. ∠ABD
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Karnataka has developed as an important state for the growth of the Silk industry

"Karnataka has developed as an important state for the growth of the Silk industry." Give two reasons to justify the statement.

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Name the compound added to pure alumina to lower the fusion temperature

Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.

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