If x= -2 is a root of the equation,find the value of k so that the roots of the equation are equal
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Answer:
dollars to you and your family a very happy and prosperous New year to you and your family a very ttttState one relevant observation for each of the following reactions:
i) Action of concentrated sulphuric acid with hydrated copper sulphate.
ii) Nitric acid is heated strongly.
iii) A solution of barium chloride is treated with sodium sulphate solution.
iv) Lead nitrate solution is treated with few drops of caustic soda solution and then in excess.
v) Ammonia gas is treated with Nesslers reagent.
Give the right answer and take the brainlist tag
Step-by-step explanation:
State one relevant observation for each of the following reactions:
i) Action of concentrated sulphuric acid with hydrated copper sulphate.
ii) Nitric acid is heated strongly.
iii) A solution of barium chloride is treated with sodium sulphate solution.
iv) Lead nitrate solution is treated with few drops of caustic soda solution and then in excess.
v) Ammonia gas is treated with Nesslers reagent.
Give the right answer and take the brainlist tag