USE OF NOMINATIVE CASE SUBJECTIVE CASE PERSONAL PRONOUN ENGLISH GRAMMAR IMPORTANT

Use of liches and Nerium in case of pollution is

IN which case use of angular velocity is useful

State True or False: We usually use small case letters to name a point.

Why is sulphuric acid used in the preparation of HCI and HNO_3 ? Give equations in both cases.

Sometimes, it is possible to separate two sulphide ores by adjusting proportion of oil to water or by using depressants. In case of an ore containing ZnS and PbS, the depresent used is

Each of the following letters from English alphabet has two lines of symmetry. Identify lines of symmetry in each case: (i) H (ii) I (iii) O

Assertion : Use of chitinase enzyme is necessary for isolation of DNA from yeast cells but not in case of Spirogyra. Reason : Fungal cell wall is made up of fungal cellulose or chitin.

Use of lichens in case of pollution is

An aqueous solution of CuSO_(4) is electrolyszed using Pt electrodes in one case and Cu electrodes in another case. What are the products of electrolysis in both the cases ?

State the energy changes in the following cases while in use : A ceiling fan