General Science

Which of the following acts as an olfactory indicator in acid-base reactions? अम्ल – क्षारक अभिक्रियाओं में निम्नलिखित में से […]

The kinetic energy of an object of mass m moving with a velocity v is 25 J. What will be

If a conductor has a potential difference of 1 volt across its ends and a current of 1 ampere flows

The molecular mass of a compound is 63 u. If it contains one hydrogen atom and three oxygen atoms, the

When a person stands stationary on the ground, the force of gravity exerted by the Earth on the person (Action)

Galvanisation protects iron from rusting by coating it with a thin layer of: यशदलेपन  लोहे पर ____________ की पतली परत

Which of the following fish production methods are done in the region of Kashmir? कश्मीर क्षेत्र में निम्नलिखित में से

Which of the following devices works on Archimedes’ principle? निम्नलिखित में से कौन-सा उपकरण, आर्किमिडीज के सिद्धांत पर कार्य करता

Which of the following cell structures helps amoeba to acquire its food material? निम्नलिखित में से कौन-सी कोशिका संरचना, अमीबा

If several rays of light parallel to the principal axis are falling on a convex lens, which of the following

Fertilization in females usually occurs in which region of the reproductive system? महिलाओं में निषेचन सामान्यतः प्रजनन तंत्र के किस

Why does the blue colour of copper sulphate solution fade when an iron nail is dipped in it? कॉपर सल्फेट

Under what spatial condition is the magnitude of the force acting on a current-carrying conductor placed in a uniform magnetic

Substitution reaction involves: प्रतिस्थापना  अभिक्रिया में ________शामिल होता हैं।

What is a necessary property of the electrolyte used during the refining of metals by electrolysis? विद्युत अपघटन द्वारा धातुओं