Which of the following water samples will have the highest titre value when titrated for…

Which of the following water samples will have the highest titre value when titrated for the Ca2+ ions using soap solution?
  • A.
    Permanently hard water after boiling
  • B.
    emporarily hard water after boiling
  • C.
    Rain water stored in a glass jar for two years
  • D.
    Permanent hard water passed through permuitit
Correct Answer: Option A
Explanation
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In the diagram, TS is a tangent to the circle at S. |PR| and In the diagram, TS is a tangent to the circle at S. |PR| and o. Calculate A. 54o B. 44o C. 34o D. 27o Correct Answer: Option A Explanation In the diagram above, x1 = 180o – 117o = 63o(opposite angles of a cyclic quad.) x1 = x2 (base angles of isos. (Delta)) x1 + x2 + (alpha) = 180o (sum of angles of a (Delta) 63o + 63o + (alpha) = 180o (alpha) = 180o – (63 + 63)o = 54o `, props: [‘comment’], data() { return {} }, methods: {} }) {{ reply.posted_by.display_name }}:   {{ reply.created_at }} `, props: [‘comment’, ‘reply’, ‘rate_selection’, ‘token’], data() { return {} }, methods: {} })

In the diagram, TS is a tangent to the circle at S. |PR| and o. Calculate A. 54o…
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