Login
Subject: Chemistry, asked 1 week, 3 days ago

sir in metric system of units for ex-we use metres, grams but in SI of units there is a physical quantity length with symbol metres [m] ?? aren't metric and SI units system same ?

Subject: Chemistry, asked 1 week, 3 days ago

CAN ELEMENTS BE MADE UP OF IONS? LIKE SAME TYPE OF ATOMS AND MOLECULES FORMS AN ELEMENT ?

Subject: Chemistry, asked 1 week, 3 days ago

Solve 20 and 21 by scientific notation

Subject: Chemistry, asked 1 week, 3 days ago

Solve 18 and 19 no by scientific notation

Subject: Chemistry, asked 1 week, 3 days ago

sir i have a doubt. my ques is how can be the melting point of ice be 0 degreecelcius ? A SOLID CONVERTS INTO LIQUID WHEN WE INCREASE THE TEMP. BUT 0 DEGREE CELCIUS IS A VERY LOW TEMP THEN HOW CAN A SOLID MELT AT THAT TEMP ? ALSO, WHAT IS THE FREEZING POINT OF WATER.

Subject: Chemistry, asked 1 week, 4 days ago

how much water will be produced when electri spark is passed 20g hydrogen and 200g of oxygen,what amount of oxygen will be unreactive

Subject: Chemistry, asked 1 week, 5 days ago

Why is it not option 1?

Subject: Chemistry, asked 1 week, 5 days ago

How to solve this problem

Subject: Chemistry, asked 1 week, 5 days ago

Q) Calculate the number of molecules and number of atoms present in 1g of Nitrogen. Thank you !

Subject: Chemistry, asked 1 week, 5 days ago

Pls answer this questil

Subject: Chemistry, asked 1 week, 5 days ago

Pls answer this question nnnsssb

Subject: Chemistry, asked 1 week, 5 days ago

Pls answer this question nnnsss

Subject: Chemistry, asked 1 week, 5 days ago

Pls answer this qqqqs

Subject: Chemistry, asked 1 week, 5 days ago

Pls answer this qqqq

Subject: Chemistry, asked 1 week, 6 days ago

I didn't understand ths question and the approach to it... please explain

23456
What are you looking for?