Youtube test 1

F cannot be tested by "Lassaigne’s test" because

Fluorine can not be tested by sodium fusion Lassaigne's test because

In which of the following compounds, nitrogen cannot be tested by Lassaigne's test?

The presence of auxins in a solution could be tested by (a) Avena sativa stem tip test (b) Carbon tetrachloride test (c) Iodine test (d) Defoliation test

Which of the folloiwng statement/s about test cross is/are correct? I. Every test cross is a back cross, but not every back cross is a test cross. II. Every back cross is a test cross but not every test cross is a back cross. III. The ratio of a test cross is always 1:1. IV. A test cross can be considered as a type of reciprocal cross.

Widal Test is carried out to test :

________tests are carried out to test for sensitivity to allergens .

Which compound does not give positive test in Lassaigne's test for nitrogen ?