Model test paper term 2 | chemistry| CBSE

Model test paper class 9

Which compound now-a-days is used to bleach clothes and papers to promote green chemistry in day-to-day life

In a test paper there are 10 questions . Number of ways in which 6 questions to be answered is

Explain the term 'Organic Chemistry'. State the 'Natural sources' & 'Importance of organic compounds.

Explain the following terms : (a) Chemistry of all Lanthanoids is so identical . (b) Silver atom has completely filled d- orbitals (4d^(10)) in its ground state . How can you say that is a transition elements ?

Maria has taken four chemistry tests and have an average (arithmetic mean) score of 80. IF the scores a 90 on her fifth chemistry test, what is her average for these five tests?

In how many types ways can five different examination papers of maths, physics, chemistry, computer an physical education be arranged so that physics and chemistry papers never come together.

What is Lassaigne's solution and how is it prepared ? Discuss the chemistry of the tests used for the detection of following elements using this solution. N

What is Lassaigne's solution and how is it prepared ? Discuss the chemistry of the tests used for the detection of following elements using this solution. Cl

What is Lassaigne's solution and how is it prepared ? Discuss the chemistry of the tests used for the detection of following elements using this solution. Br