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SVETLANKA909090 [29]
4 years ago
6

What does the lines making a circle around the high-pressure area indicate? A. An occluded front B. Areas of equal altitude C. A

reas of equal pressure D. A stationary front

Chemistry
2 answers:
pickupchik [31]4 years ago
6 0

The answer is would be; C

levacccp [35]4 years ago
4 0

The answer is; C

These lines that join areas of equal pressure during an air system are called isobars. The black lines in the diagram below are the isobars. They are good indicators of the strength of these systems. The innermost closed lines indicate the positions of relative maxima (high-pressure areas) and minima (low-pressure areas) in the pressure field.

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3 years ago
Does the reaction of a main-group metal oxide in water produce an acidic solution or a basic solution? Write a balanced equation
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<u>Answer:</u> The main group metal produce a basic solution in water and the reaction is MO+H_2O\rightarrow M(OH)_2

<u>Explanation:</u>

Main group elements are the elements that are present in s-block and p-block.

The metals that are the main group elements are located in Group IA, Group II A and Group III A.

Oxides are formed when a metal or a non-metal reacts with oxygen molecule. There are two types of oxides which are formed: Acidic oxides and basic oxides.

  • Acidic oxides are formed by the non-metals.
  • Basic oxides are formed by the metals.

When a metal oxide is reacted with water, it leads to the formation of a base.

The general formula of the oxide formed by Group II-A metals is 'MO'

The chemical equation for the reaction of metal oxide of Group II-A and water follows:

MO+H_2O\rightarrow M(OH)_2

Hence, the main group metal produce a basic solution in water and the reaction is MO+H_2O\rightarrow M(OH)_2

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