When a little bit of curd is added to milk and it is left undisturbed for sometime, the milk changes into curd. It is an example of
(A) Fast chemical change
(B) Fast physical change
(C) Slow chemical change
(D) Slow physical change.
can you explain how is it a slow chemical change as its written after sometime
Bob is trying to turn rod P into a magnet by the following stroking method. He finds that this method does not work. Which two of the following could be the possible explanations?
(1) He should stroke rod P with the south-pole instead.
(2) The bar magnet is not touching rod P.
(3) The bar magnet strokes rod P in more than one direction.
(4) Rod P is not a magnetic material.
(a) 1 and 2
(b) 2 and 3
(c) 2 and 4
(d) 3 and 4
The magnet is CLEARLY not touching the Rod P. Isn't the answer B and not D?
What is X in the figure and what is its function?
(A) Small intestine - absorbs nutrients from digested food
(B) Stomach - breaks down food using acids and enzymes
(C) Appendix - has no specific function in the body
(D) Appendix-breaks down food using acids and enzymes.
★ The given figure shows human digestive system with parts labelled as d, e, f, g and h.In which labelled parts the following occur?
(1) Acid and enzymes break the food.
(2) Absorbs only water from the food.
the arrows pointing towards the small intestine and the large intestine are not clear
Given below are statements about importance of minerals made by four students :
Which of the students have made incorrect statements?
(a) Ali and Swati
(b) Ali and Lily
(c) Ali, Lily and Swati
(d) Mohan and Swati
Is the correct answer really C?I searched them all up and they all are correct.I am really confused. HELP!