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history class test, 7 KLasse

history test on the 1 World War, the Russian revolution and the peace treaties with Austria and Germany.

test

• What is the social question of the 19 Century and how it was triggered?
• What are the causes for the outbreak of the 1st World War I contributed?
• Which states were in the time of the first WK allied with each other and what enemies?
• Explain the following terms
  a) trench warfare
  b) mountain warfare
• Who were the founders of communism?
  What were the main demands?
• What happened in Russia in 1917? Explain the situation more accurately?
• what role the U.S. played in the 1st WK?
  Describe the Wilsons 14 points!
• What brought the peace treaties after 1 World War II?
  found at those places instead?
  

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chemistry test, 7 Class

chemistry test on acids and bases, pH, oxidation and reduction, and iron production by LD methods.

test

• What is a Bronsted acid?
• Calculate the pH of
  a) H 2 SO ₄ c = 0.04 mol / l
  b) NaOH c = 0.003 mol / l
• What is an indicator?
  Give two examples!
• Formulate the equation
  a) hydrogen chloride reacts with ammonia gas
  b) of hydrogen chloride reacts with water
• What is oxidation?
• Formulate the response of a base with water in general and give the Bsaenkonstante K _B on! As K depends
  B together with the strength of a base?
• Determine the conjugate acid of
  a) OH ^-
  b) Cl ^-
• What happens during sintering?
• Give the chemical formula for carbon dioxide at!
  hot, as the salts and the chemical formula they have?
• What is neutralization?
• How prepared steel?
  What is the name the most important method?
• What is an ampholyte?
  Give an example!