निम्नलिखित रासायनिक पदार्थों में से किसे एक यौगिक के रूप में वर्गीकृत किया गया है?

Substances A and B together form C, and substances D and E together form F. The newly formed substances C and F have the following properties: (a) C exhibits the properties of both A and B. (b) D and E can be separated from F by electrochemical methods only. Which of the following statements is true?

Which of the following is considered a chemical change?

A change in which no new substance is formed is called:

An alloy is a/an:

Which of the following is NOT a property of a true solution?

What property of gases allows them to fill any container completely?

Why does the palm feel cool when acetone is poured on it?

When a drop of ink is placed in water, it spreads evenly without stirring. What does this demonstrate?