Answer / guest

(3) C14method

Answer / raven alston

4-Uranium-lead method

Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of 1 Nitrates 2 Zeolites 3 Sulphontes 4 None of these

2 Answers  

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Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate

3 Answers   SSC,

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Which of the following is used as a filler in rubber tyres? 1 Graphite 2 Coal 3 Coke 4 Corbon black

1 Answers  

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Chemical change does not take place in case of 1 Souring of milk into curd 2 Rusting of iron in atmosphere 3 Burning of magnesium ribbon in air 4 emitting of light by a red hot platinum wire

3 Answers   Banking, Eastern Railway,

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which croup is sown on the largest area in india? 2)holandric genes occur exclusiely on? 3)

1 Answers  

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Let arr be an array of 20 integers. Write a program that first fills the array with up to 20 input values and then finds and displays both the subscript of the largest item in arr and the value of the largest item. • Use an IDE to develop and save your work

0 Answers  

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What is the microbiology ?

8 Answers  

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Which of the following acids is used for ‘etching glass’? 1 HBrO3 2 H2F2 3 HCIO4 4 HIO4

1 Answers  

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Why Colours is Important in Our Daily Life???

1 Answers  

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Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine

2 Answers  

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Would you like to do a Course in MBBS in Mauritius?

1 Answers  

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In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium

1 Answers  

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