Questions

The value of cos220° + cos270°is

Which of the following monuments built by Muhammad Quli Qutb Shah is said to be built to commemorate the eradication of plague?

Pepsin is an enzyme that digests ______.

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

Simon teaches children __________ water colour painting

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 3rd group and the 4th period?

Atomic number of an atom gives the number of which of the following ?

Benzene is ______ in ethyl alcohol.

What chemical is injected into a person's body when an ant bites?